Partshere Shopping Cart Lexmark and HP New Oem and refurb parts
top bar
C8159A OfficeJet Pro K550dtwn Color Printer

HP OfficeJet Pro K550dtwn Color (C8159A)

MFG Part Number: C8159A 16ppm black, 16ppm color, 1200x1200 DPI

HP parts list for C8159A HP OfficeJet Pro K550dtwn Color Printer

C8157-67037 Absorber - Absorber base - Foam to absorb ink spillage from service station
C8159A-Absorber Absorber - Ink service station (ISS) bottom absorber foam - absorbs ink during the cleaning process. Service station absorber (sponge) - soaks up used ink during cartridge cleaning. Works as sled filters.
C8159A-AC_Adapter AC Adapter - Power supply module or adapter - one end for connecting to the printer and other end to the power cord, or your ac adapter may have the pwr cord attached.
C8159A-Actuator Actuator - Actuating unit. this part usually causes the carriage assembly to stalls on the left side of the printer, verify that the clutch actuator arm (slider arm).
C8159A-ADF_Arm ADF Arm - Senses paper in the ADF area tray / feeder tray. this is a front flapper arm - part of the paper separation mechanism for the paper pickup assembly - mounts just in front of the front separation belts in the ADF assembly.
C8159A-ADF_Feed_Assy ADF Feed Assembly - ADF assembly - does not include ADF input tray. ADF assembly includes the complete ADF assembly (motor, gears, rollers, sensor, does not include the ADF pad or plastic flatbed cover. (for entire unit please see ADF unit assembly).
C8159A-ADF_Input_Tray Adf Input Tray - ADF tray ( for automatic document feeder) this is where papers are placed for feeding into unit.
C8159A-ADF_Motor ADF Motor - ADF motor - the scanner ADF motor is located on left rear corner of ADF drive, location varies from each unit. however, this is the main motor on the ADF unit.
C8159A-ADF_Output_Tray ADF Out Put Tray - ADF out put tray is where paper come out of ADF (automatic document feeder). For this unit we will ship the entire ADF Assembly.
C8159A-ADF_Pad ADF Pad - ADF paper seperation pad assembly - mounts in the center of the ADF separation pad frame assembly. this pad prevents from multiple feeding or preventing paper jams while faxing scanning or copying.
C8159A-ADF_PC_BRD ADF PC Board - Control Board on the ADF unit
C8159A-ADF_Roller_Kit ADF Roller Kit - ADF upper pick roller replacement kit. these are the rollers that feed paper into the feeder to be scan copy or faxed.
C8159A-ADF_Scanner ADF Scanner - ADF scanner (optical) assembly - includes the chassis assembly scanner lens assembly (includes the charge coupled device (ccd)) the scanning lamp ADF analog processor board and ADF inverter board - this is the lower assembly that scans copies documents.
C8159A-ADF_Sensor_BRD ADF Sensor Board - ADF sensor pc board assembly - narrow strip pc board with the two document skew sensors, registration sensor, and timing sensor - mounts on top of the registration guide assembly in the ADF main assembly
C8159A-ADF_Unit_Assy ADF Unit Assembly - Complete replacement assembly unit for Officejet Copier top assembly only. This includes the ADF (automatic document feeder) for this unit.
C8159A-Arm_Delivery Arm Delivery - Paper sensing arm - for 'paper out' or delivering paper sensing arm
C8159A-Arm_Door Arm Door - Carriage access door sensor arm
C8159A-Arm_Pickup Arm Pick Up - Paper detection arm - for registration plate on picking up paper
C8159A-Arm_Plate Arm Plate - Lever arm - used to lift the pressure plate lifter
C8159A-Arm_Sensing Arm Sensing - Arm assembly senses paper in bottom tray
C8159A-Arm_Tension Arm Tension - Tension arm - maintains tension on carriage belt
C8157-67040 Base - Carriage base assembly - Electronic PCA and optical sensor (Operating voltages 32v, 5v, and 3.3v) - Holds print cartridges and moves them across paper to enable printing (Does NOT include belt)
C8159A-Battery Battery - Battery pack for hp printer
C8157-67039 Belt - Carriage belt - Plastic/rubber toothed belt for transferring mechanical power from motor to carriage
C8159A-Belt_ADF Belt ADF - Transport belt motor - provides the drive to transport paper through the ADF unit. this belt goes in the ADF assembly drive unit
C8159A-Belt_Carriage Belt Carriage - Carriage belt - moves the carriage assembly across the carriage rod
C8159A-Belt_Duplex Belt Duplex - Duplex timing belt - small belt that goes on the duplexer unit
C8159A-Belt_Paper Belt Paper - Paper drive belt (usually a small belt) - this belt attaches to a gear which is driven by the paper drive motor assembly.
C8159A-Belt_Scanner Belt Scanner - Scanner assembly belt. belt moves the scanner while copying or scanning documents.
C8159A-Bezel Bezel - Front panel overlay (bezel) - (english) control panel bezel - frame around display and control panel
C8159A-Bracket_Left Bracket Left - Left bracket - carriage rod adjustment bracket (left)
C8159A-Bracket_Right Bracket Right - Right bracket - carriage rod adjustment bracket (right)
C8159A-Bracket_Tension Bracket Tension - Belt tension bracket - holds the carriage belt idler pulley
8121-0868 Cable - Universal Serial Bus (USB) interface cable (Black) - Type 'A' connector to type 'B' connector - 1.83m (6.0ft) long
C6518A Cable - Universal Serial Bus (USB) interface cable - Type 'A' connector to type 'B' connector - 2.0m (6.6ft) long
C8157-67041 Cable - Trailing cable assembly - Flat ribbon cable (Signal and Power, Voltages 32v, 3.3v, 5v) - Enables electrical signal transmission between carriage and main PCA
C8157-67068 Cable - Ethernet crossover cable
C8157-67069 Cable - Universal Serial Bus (USB) interface cable - Type 'A' connector to type 'B' connector - 2.0m (6.6ft) long
C8157-69069 Cable - Universal Serial Bus (USB) interface cable - Type 'A' connector to type 'B' connector - 2.0m (6.6ft) long
Q1647-80001 Cable - Scanner trailing cable - Connect the scanner assembly to the main logic PC board
C8159A-Cable_Carriage Cable Carriage - Cable assembly which connects the main logic board to the carriage motor
C8159A-Cable_Interface Cable Interface - Parallel cable - connects from your printer to computer via your parallel port.
C8159A-Cable_Mchnsm Cable Mechanism - Cable assembly which connects the main logic board to the print mechanism
C8159A-Cable_Panel Cable Panel - Cable Panel assembly - includes ribbon cable this is the cable that connects to the control panel or display.
C8159A-Cable_USB Cable USB - This interface cable is the standard 2.0 usb cable that connects to your printer and computer for printing.
C8157-67056 Cage - PCA cage - Metal casing to house the PCA logic board
C8157-67057 Cage - PCA cage plate - Metal casing to house the PCA logic board
C8159A-Cam Cam - Drawer cam - short, spring loaded lever attached to the paper tray frame - used to draw input tray into position
C8159A-Cap_Lifter Cap Lifter - These lifter caps hold the pressure plate lifter and the kicker spring in place.
C8159A-Carriage_Assy Carriage Assembly - Ink cartridge carriage assembly - includes carriage, felt, felt retainers, ink cartridge latches, trailing cable, pc board, belt attachment hardware, and slider.
C8159A-Carriage_Base Carriage Base - Carriage base or pre-loader assembly - mounted to bottom of carriage base
C8159A-Carriage_Belt Carriage Belt - Carriage drive belt, this belt is attached to the carriage and carriage motor, it moves the carriage side to side while priting.
C8159A-Carriage_Cable Carriage Cable - Flex circuit cable which connects the head driver board to the carriage assembly. in some units it is also known as the trailing cable, this cable moves along with the carriage unit (side to side).
C8159A-Carriage_Latch Carriage Latch - A-arm latch - retains latch over the printheads on the carriage
C8159A-Carriage_Latch_CVR Carriage Latch Cover - The carriage latch is used to keep the cartridge(s) in place. this latch(s) hold the cartridge(s) in place while carriage is printing or idle.
C8159A-Carriage_Motor Carriage Motor - Carriage motor moves the carriage unit side to side. the carriage belt goes arround this motor, which controls carriage movement.
C8159A-Carriage_Only Carriage Only - Carriage only - includes carriage, felt, felt retainers, ink cartridge latches - does not include trailing cable, pc board, belt attachment hardware, or slider (for complete carriage unit, please see carriage assembly).
C8159A-Carriage_PC_BRD Carriage PC Board - This pc board attaches on the carriage, it is usually a small pc board that has carrage cable attached to it.
C8157-67014 Case - Main printer case
C8159A-Chassis Chassis - Chassis assembly - the large plastic item that forms the base of the print mechanism
C8159A-Clutch_ADF Clutch ADF - ADF paper clutch unit. clutch that controls movement on the ADF feeder
C8159A-Clutch_Feed Clutch Feed - Clutch unit resposible for unit picking up paper from the pick up unit.
C8159A-Control_Panel Control Panel - Control panel assembly - control buttons and display on top front of the unit.
C8157-67006 Cover - Rail adjustment cover - removable cover that allows access to the rail adjuster
C8157-67009 Cover - Cover for printer - Provides access to areas of printer for changing the printhead
C8157-67010 Cover - Right cover panel - Base and DTN models
C8157-67011 Cover - Right cover panel - DTWN model
C8157-67012 Cover - Rear printer cover
C8157-67013 Cover - Left printer cover
C8159A-Cover_Back Cover Back - Back cover of printer, it is usually removed to clear paper jams.
C8159A-Cover_Cartridge Cover Cartridge - This is the cover/ door that is opened to remove the cartridge(s) - usually, when this door opens the carriage moves.
C8159A-Cover_Main Cover Main - This is the main cover of the printer. it is the biggest piece of plastic the printer is made off.
C8159A-Deflector Deflector - Paper deflector - guides paper out of dispose assembly - through the internal paper path cover. paper deflector - directs paper from the media chassis to the print section of the printer chassis assembly
C8159A-Display Display - Status led display (LCD display assembly).
C8157-67007 Door - IDS door - Provides access to areas of printer for changing ink supplies
C8157-67008 Door - Door - Main printer door
C8159A-Door_Carriage Door Carriage - Main front access door - covers the top of the printer and provide access to the carriage when open.
C8159A-Door_Cartridge Door Cartridge - Small front access door (drop down door) - for accessing print cartridge window - for print cartridge access door.
C8159A-Door_Rear Door Rear - Rear cleanout door assembly - rear paper jam clean out door assembly.
C8159A-Drive_Assy Drive Assembly - Paper drive roller kit - includes roller assembly, bushings, gear on roller, transmission gear kit, encoder disc, end thrust (axial) spring.
C8159A-Drive_Assy_ADF Drive Assy ADF - Media chassis assembly (paper drive) - moves paper from ADF assembly to scanner assembly - includes media chassis, rollers, gears, flag, sensor, deflector, cable, springs
C8157-67020 Duplexer - Duplexer - Allows printing on both sides of paper - Provides access for paper jam clearance - Helps with print output handling
C8159A-Duplexer Duplexer - Auto duplexer assembly - provides double sided printing capability
C8255-60001 Duplexer - HP automatic 2-sided printing accessory
C8255A Duplexer - HP automatic 2-sided printing accessory
C8157-67030 Encoder - Encoder disk - Plastic disk part - Helps to provide position information of the paper
C8157-67033 Encoder - Encoder strip - Plastic ribbon part - Helps to provide position information of the carriage to the main PCA
C8159A-Encoder Encoder - Encoder spring - provides tension for encoder strip
C8159A-Encoder_Disk Encoder Disk - Disk encoder - helps to provide position information of the paper
C8159A-Encoder_Strip Encoder Strip - Encoder strip - carriage position sensor reference
C8159A-Extender_ADF Extender ADF - Paper extension for the automatic document feeder (ADF) input tray
C8159A-Extender_Input Extender Input - Tray extension assembly (stopper) - tray with a paper stop on the input tray - extends to accomodate different media lenths
C8159A-Extender_Output Extender Output - Paper exit tray extension
C8159A-Fan_PC_BRD Fan PC Board - Fan to cool power supply unit
C8159A-Fan_Vaccum Fan Vaccum - Vacuum fan assembly
C8159A-Feed_Rollers Feed Rollers - Feed roller assembly - includes frame asembly, shaft with rollers, and encoder disk
C8159A-Feed_Rollers_ADF Feed Rollers ADF - ADF feed roller kit - includes all rollers that feed paper through the feeder.
C8159A-Flag_ADF Flag ADF - Photo-sensor assembly - includes the sensor and mounting bracket - paper pickup roller home position sensor - activated by the sensor flag on the pickup roller assembly - mounths on the front frame of the ADF paper pickup assembly
C8159A-Flag_Paper Flag Paper - OOPS flag - out of paper sensor
C8157-67044 Foam - Carriage felt - Foam with lubricant for the carriage rod
C8157-67067 Foam - Carriage cusion contraint - Small piece of foam, part of packaging material for printer
C8159A-Formatter Formatter - Formatter board assembly, this board communicates with your computer device and has MAC port connector.
C8159A-Front_Panel Front Panel - Front panel assembly - includes lcd and actuator buttons
C8159A-Gear_Assy Gear Assembly - ADF gear assembly driven by ADF main motor
C8159A-Gear_Cluster Gear Cluster - Cluster gear, large gear on service station
C8159A-Gear_Double Gear Double - Transfer gear - has double gear attached on service station
C8159A-Gear_Main Gear Main - Paper pickup drive assembly - gear assembly located on right side of paper pickup assembly. gear moves the main paper pick up roller.
C8159A-Gear_Station Gear Station - Gears on shaft of spittoon station
C8159A-Glass_ADF_Window Glass ADF Window - Small glass piece used when scanning - copying - faxing with ADF feeder for this unit will ship Q5888-00002.
C8159A-Glass_Assy Glass Assembly - Main top copier glass assembly.
C8157-67029 Guide - Lower paper guide assembly - Molded plastic part guides the paper during paper advancement
C8159A-Guide_Paper Guide Paper - Upper paper guide - spring loaded flat plate that presses the media against the top of the feed roller assembly - caution: this part can easily be broken
C8157-67027 Hanger - Hanger assembly - Stamped steel part used to hold the casings
C8157-67051 Harness - Wiring harness - (Power supply to main logic PCA) - Electrical wires with plastic connectors; Enables transmission of electrical signals
C8157-67059 Harness - Drop detector wiring harness - Wires with connectors that connect to the drop detector
C8157-67060 Harness - Main wiring harness - Electrical wires with plastic connectors - Enables transmission of electrical signals
C8157-67061 Harness - Motor wiring harness - Electrical wires with plastic connectors (signal and power voltages 5v, 12v, 32v) - Enables transmission of electrical signals
C8159A-Hinge_Cvr Hinge - Single cover end M-Hinge Hinge is for top cover supporting opening and closing of the cover. Most covers use 2 hinges this price includes 1pc Hinge.
C8159A-Holder Holder - Ink cartridge holder - located on carriage unit, holder secures ink cartridge in place.
C8159A-Idler Idler - Scanner belt idler assembly - maintains scannter belt tension.
C8157-67034 Ink Delivery System - IDS replacement assembly - Feeds ink from ink cartridges to printheads
C8159A-Ink_DLVRY Ink Delivery System - RIDS assembly - replaceable ink delivery system - transports ink from ink supply station to carriage assembly
C8157-67036 Ink Supply Station - Ink supply station assembly - Includes motor (output voltage 17v, input voltage 32v) - Holds the ink cartridges and pumps ink through the IDS into the printheads
C8159A-Ink_Supply_Station Ink Supply Station - Ink supply service station (iss) assembly
C8157-67064 Label - Label - Serial number label
C8157-67065 Label - Label - Wireless MAC ID label
C8157-67066 Label - Label - Ethernet MAC address label
C8159A-Lid_Cover_Assy Lid Cover Assy - Top glass copier cover. Lid that pressed document onto the glass for copying or scanning document.
C8157-60073 Motor - HP motor Assembly Feed for Officejet Pro K550 Color Printer
C8157-67045 Motor - Carriage motor assembly - Motor that drives the carriage assembly during printing
C8157-67062 Motor - Bracket motor assembly - Includes motor (rated operating voltage 19v) and two sensors(output voltage 5v, input voltage 5v) - Drives the linefeed rollers to advance the paper during printing
C8159A-Motor_ADF Motor ADF - ADF motor unit - drives ADF rollers on the feeder assembly
C8159A-Motor_Carriage Motor Carriage - Carriage motor - motor that drives the carriage assembly
C8159A-Motor_Scanner Motor Scanner - Scanner unit motor - drives the scanner unit to scan documents to be copied, fax, or scanned.
C8159A-MTR_Srvce_Station Motor Service Station - Service station stepper motor (does not include cable) - moves the rack vertically in the service station assembly
C8157-67018 Multifunction - Printer base - Forms the base of the printer with the right and left walls (does NOT include picking mechanism, service station, carriage, or PCA)
6040-0990 Oil - Special lubricating oil - For carriage slider rod surface - (5cc oil)
C8159A-Overlay Overlay - Overlay unit which covers the control button or display (english overlay only), control panel or display sold seperately.
C8157-67032 Pad - Pad separator - Assembled from plastic and rubber components - Assists in separating sheets of media during printing
C8159A-Pad_ADF Pad ADF - Pad separator - (located on ADF unit) assembled from plastic and rubber components; to help in separating sheet of media during faxing, scanning, or copying.
C8159A-Pad_Tray Pad Tray - Pad separator - (located on tray) assembled from plastic and rubber components; to help in separating sheet of media during printing
C1820A Paper - Banner paper - A size (8.5 x 11-inches), 24 lb, perforated for easy separation - 100 sheets total per pack (5 stacks of 20 continuous sheets)
HPA510 Paper - Everyday Copy and Print Paper - A size (8.5 x 11-inches) - 500 Sheets per package
HPM1120 Paper - HP Multipurpose Paper - A size (8.5 x 11-inches) - 500 sheets
HPP1122 Paper - HP Printing Paper - A size (8.5 x 11-inches) - 500 sheets
Q1429A Paper - Paper (Glossy) for DesignJet 5000 Series, DesignJet 500, DesignJet 800 Series, OfficeJet Pro K550 Series
Q1977A Paper - Paper (Glossy) for Deskjet 460 Series, OfficeJet Pro K550 Series, Business Inkjet 2800 Series, DeskJet 9800
Q1988A Paper - Paper (Glossy) for PhotoSmart 420 Series, HP Photosmart 422 Portable Photo Studio, PhotoSmart 475 Series, Photosmart 475 series compact photo printer
Q2506A Paper - Premium Plus Photo Paper (Satin Matte) - 10.2cm (4in) x 15.2cm (6in) finished size - 10.2cm (4in) x 16.5cm (6.5in) with tab - 60 sheets
Q5458A Paper - Paper (Glossy) for DeskJet 300, DeskJet 640 Series, Designjet 30gp, DesignJet 130 Series
Q5492A Paper - Paper (Matte) for DesignJet 130 Series, OfficeJet Pro K550 Series, HP OfficeJet Pro K550 Color Printer, OfficeJet Pro L7555 Color
Q5495A Paper - Premium Plus Photo paper (High Gloss) - B size (11 x 17-inches) - 25 sheets
Q6569A Paper - Premium Plus Soft-Gloss Photo Paper (Matte) - A size (8.5 x 11-inches) - 25 sheets (North America)
Q6595A Paper - HP Premium Presentation Paper - B size (11 x 17-inches)- 100 sheets
Q6638A Paper - Paper (Glossy) for DeskJet 300, DeskJet 640 Series, Designjet 30gp, DesignJet 130 Series
Q7852A Paper - HP Delux Advance Glossy Photo Paper 25 sheets of A size HP Advanced glossy photo paper
Q7853A Paper - Paper (Glossy) for Business Inkjet 1200 Series, OfficeJet Pro K550 Series, Business Inkjet 2800 Series, DeskJet 9800
Q7854A Paper - Paper (Glossy) for DeskJet D1311 Series, DeskJet F4180 Series, HP Deskjet F4100 All-in-One printer series, DeskJet F4140 Series
Q7906A Paper - Advanced Glossy Photo Paper - 10.2cm (4in) x 15.2cm (6in) finished size - 10.2cm (4in) x 16.5cm (6.5in) with tab - 100 sheets
Q8015A Paper - Holiday Photo Cards - 10.2cm (4in) x 21.6cm (8.5in) - Includes 40 cards, 40 envelopes, and a CD-ROM with 150 holiday templates
Q8016A Paper - Holiday Photo Cards - 10.2cm (4in) x 21.6cm (8.5in) - Includes 20 cards, 20 envelopes, and a CD-ROM with 150 holiday templates
Q8690A Paper - Paper (Glossy) for DeskJet 300, DeskJet 640 Series, Designjet 30gp, DesignJet 130 Series
Q8695A Paper - Paper (Glossy) for HP Photosmart C3100 Series All-in-one, PhotoSmart C3180 Series, PhotoSmart C3150 Series, PhotoSmart C3140 Series
Q8696A Paper - Paper (Glossy) for DeskJet 300, DeskJet 640 Series, Designjet 30gp, DesignJet 130 Series
Q8744A Paper - Paper (Glossy) for HP OfficeJet Pro K550 Color Printer, HP DeskJet 460 Mobile Printer, DeskJet 450 Series, OfficeJet v40 All-In-One
C8157-67019 Paper Path Module - Cleanout assembly - Mechanical part assembled from molded plastic and steel components - Enables straight paper path for printing of thick media and odd sized media - Enables easier paper jam clearance
C2890-60107 PC Board - Main PC Board for HP CZ296B
C8157-67042 PC Board - Carriage PCA - Electronic circuit board that controls the printhead function - Input voltage 32v, Operating voltage 32v, 5v, 3.3v, 1.8v
C8157-67046 PC Board - Wireless PCA module - PCA that provides wireless interface to the printer
C8157-67047 PC Board - Control panel assembly - Electronic PCA (Output voltage 5v, Input voltage 5v) - Enables user interaction and communication with printer
C8157-67048 PC Board - DTN control panel assembly - Electronic PCA (Output voltage 5v, Input voltage 5v) - Enables user interaction and communication with printer
C8157-67049 PC Board - DTNW control panel assembly - Electronic PCA (Output voltage 5v, Input voltage 5v) - Enables user interaction and communication with printer
C8157-67052 PC Board - Duplexer,cleanout interconnect PCA - PCA (Output voltage 5v, Input voltage 5v) - Enables recognition of duplexer
C8157-67053 PC Board - Main PCA logic board - Controls the function of the entire printer (input voltage 32v, operating voltages 32v, 5v, 3.3v, 1.8v)
C8157-67054 PC Board - DTN main PCA logic board - Controls the function of the entire printer (input voltage 32v, operating voltages 32v, 5v, 3.3v, 1.8v)
C8157-67055 PC Board - DTWN main PCA logic board - Controls the function of the entire printer (input voltage 32v, operating voltages 32v, 5v, 3.3v, 1.8v)
C8157-67058 PC Board - Drop detector PCA - Electronic circuit board that is enclosed in a metal casing - Enables the detection of missing nozzles in pens so that the printer can compensate
C8159A-PC_BRD PC Board - Ink cartridge carriage assembly pc board - includes carriage pc board only
C8159A-PC_BRD_DC PC Board DC - Internal power supply board - power cable plugs on this assembly, remove covers to install pc board.
J7942-61031 PC Board Interface - JetDirect en3700 external print server - Fast Ethernet Internet connector for sharing network peripherals with USB ports, in a 10/100 TX LAN environment - Has one Hi-Speed USB 2.0 printer port and one RJ-45 10/100 Base-TX connector
J7942-61041 PC Board Interface - HP JetDirect en3700 external print server - Fast Ethernet Internet connector for sharing peripherals with USB ports, in a 10/100 TX LAN environment - Has one USB 2.0 printer port and one RJ-45 10/100 Base-TX connector
C8157-67028 Pinch Assembly - Pinch lift assembly - Molded plastic part - Guides the paper during paper advancement
C8159A-Pinchwheel Pinchwheel - Pinch assembly kit - includes all required pinch wheels, pinchwheel mounts and springs
C8157-67025 Platen - Platen - Structure to hold up the paper up during printing as well as adsorb overspray during printing
8120-6260 Power Cord - Power cord (Black) - 18 AWG, 3-wire, 1.0m (3.3ft) long - Has straight (F) C13 receptacle (for USA, Canada, Taiwan, Latin America, and Saudi Arabia)
8120-6800 Power Cord - Power cord (Flint Gray) - 3-wire, 16 AWG, 2.3m (7.5ft) long - Has straight (F) C13 receptacle (for 240V in Israel)
8120-8382 Power Cord - Power cord (Flint Gray) - 18 AWG, 1.8m (6.0ft) long - Has straight (F) receptacle (For 120V in the USA and Canada)
8121-0516 Power Cord - Power cord (Flint Gray) - 18 AWG, 1.9m (6.25ft) long - Has straight (F) receptacle (For 220V in Europe)
8121-0517 Power Cord - Power cord (Flint Gray) - 18 AWG, 1.9m (6.25ft) long - Has straight (F) receptacle (For 240V in the UK, Hong Kong, Singapore, and Malaysia)
8121-0518 Power Cord - Power cord (Flint Gray) - 18 AWG, 1.9m (6.25ft) long - Has straight (F) C13 receptacle (For 220V in Denmark)
8121-0519 Power Cord - Power cord (Flint Gray) - 18 AWG, 1.9m (6.25ft) long - Has straight (F) C13 receptacle (For 220V in Switzerland)
8121-0520 Power Cord - Power cord (Flint Gray) - 18 AWG, 1.9m (6.25ft) long - Has straight (F) C13 receptacle (For 240V in India)
8121-0564 Power Cord - Power cord (Black) - 2.0m (6.6ft) long - Has straight (F) C13 receptacle (For 240V in India)
8121-0729 Power Cord - Power cord (Black) - 18 AWG, three conductor, 1.9m (6.25ft) long - Has straight (F) C13 receptacle (For 220V in Argentina)
8121-0730 Power Cord - Power cord (Black) - 18 AWG, three conductor, 1.9m (75in) long - Has straight (F) C13 receptacle (For 240V in Australia)
8121-0734 Power Cord - Power cord (Black) - 18 AWG, three conductor, 2.3m (7.5ft) long - Has straight (F) C13 receptacle (For 220V in Brazil and Thailand)
8121-0735 Power Cord - Power cord (Black) - 18 AWG, three conductor, 1.9m (6.25ft) long - Has straight (F) C13 receptacle (For 220V in Chile)
8121-0737 Power Cord - Power cord (Black) - 18 AWG, three conductor, 1.9m (6.25ft) long - Has straight (F) C13 receptacle (For 240VAC in India and South Africa)
8121-0738 Power Cord - Power cord (Black) - 18 AWG, three conductor, 1.9m (6.25ft) long - Has straight (F) C13 receptacle (For 220VAC in Switzerland)
8121-0740 Power Cord - Power cord (Black) - 3-wire, 18 AWG, 1.9m (75in) long - Has straight (F) C13 receptacle (for 120V in the USA, Canada, Mexico, and Taiwan)
8121-0742 Power Cord - Power cord (Black) - 18 AWG, three conductor, 1.9m (75in) long - Has straight (F) C13 receptacle (For 220VAC in China)
8121-0964 Power Cord - Power cord (Black) - 16 AWG (1.25 sq.mm.), 1.9m (6.2ft) long - Has straight (F) C13 receptacle (for 120V in USA, Canada, Latin America, Korea, Taiwan, and Thailand)
C8159A-Power_Cord Power Cord - Power module power cord- wall outlet cable to power module only. does not include power module.
C8159A-Power_MDLE Power Module - World wide power module - includes power module and power module to printer cord - does not include outlet to power module cord
C8159A-Power_MDLE_Assy Power Module Assy - World wide power module - includes power module and power module to printer cord - also, include outlet to power module cord
C8157-67050 Power Supply - AC power supply assembly - 100-240V, 50/60Hz to 32VDC, 50/60Hz ac (worldwide operation)
C8159A-Power_Supply Power Supply - Power supply board (internal pwr supply unit in the office machine).
C8159A-Power_Supply_BRD Power Supply Board - High voltage power supply board
C8159A-Print_Mchnsm Print Mechanism - Print mechanism assembly - complete mechanism with carriage movement, paper picking and service station - does not include covers, printer base, print heads, ink cartridges, or any consumables.
J7942-61021 Print Server - HP JetDirect en3700 external print server - Fast Ethernet Internet connector for sharing network peripherals with USB ports, in a 10/100 TX LAN environment - Has one Hi-Speed USB 2.0 printer port and one RJ-45 10/100 Base-TX connector
C8157-67002 Printer - Inkjet printer - Officejet Pro K550DTN - Does NOT include duplexer or second bin
C8157-67003 Printer - Printer for OfficeJet Pro K550 Series, HP OfficeJet Pro K550 Color Printer
C8157-67005 Printer - Printer for OfficeJet Pro K550 Series, HP OfficeJet Pro K550 Color Printer
C8158-69300 Printer - Printer for OfficeJet Pro K550 Series, HP OfficeJet Pro K550 Color Printer
C9381A Printhead - 88 Black and Yellow Printhead
C9382A Printhead - 88 Magenta and Cyan Printhead
C8159A-Pulley Pulley - Paper pick up tray motor pulley.
C8159A-Pulley_ADF Pulley ADF - ADF feeder motor pulley
5969-7555 Recovery Kit - Thermal InkJet 4.0 ink cartridge return kit (non-United States)
C8159A-Repair_InkJet Repair Service - Ship your product to us for a small diagnostic fee; and a professional service job. We will contact you with repair total and your diagnostic fee will be waived if unit is repaired. Service warranty is 30days labor and 90days for parts. Extended warranty option is available.
C8157-67043 Retainer - Bearing retainer - Metal piece that holds the felt-carriage
C8157-67038 Rod - Carriage rod - A metal rod where the carriage travels on
C8159A-Rod_Carriage Rod Carriage - Carriage rod - shaft that the carriage assembly rides on
C8159A-Rod_Scanner Rod Scanner - Scanner rod - shaft that the scanner assembly rides on
C8157-67021 Roller - Pick roller assembly - Used to pick paper from the paper trays
C8157-67024 Roller - Full output roller assembly - Rubber rollers to drive the printed paper out of printer.
C8157-67026 Roller - Output roller (secondary) assembly - Rubber rollers to drive the printed paper out of printer
C8157-67031 Roller - Drive roller grit assembly advances paper during printing
C8159A-Roller_ADF Roller ADF - Feeder ADF roller for picking up paper from ADF unit.
C8159A-Roller_Exit Roller Exit - Paper exit rollers - out put assembly.
C8159A-Roller_Pickup Roller Pickup - Pick up roller assembly for paper bottom tray. Lower feed roller assembly - for lower paper input tray
C8159A-Scanner Scanner - Copier scanner (optical) assembly - includes scanner assembly only scanner lens assembly (includes the charge coupled device (ccd)) the scanning lamp ADF analog processor board and ADF inverter board - major portion of the ADF main assembly.
C8159A-Scanner_Assy Scanner Assembly - Copier scanner & glass assembly - includes the chassis assembly scanner lens assembly (includes the charge coupled device (ccd)) the scanning lamp ADF analog processor board and ADF inverter board - major portion of the ADF main assembly.
C8159A-Scanner_Belt Scanner Belt - Scanner belt attaches from the scanner to the scanner motor.
C8159A-Scanner_Cable Scanner Cable - Flex circuit cable which connects to the scanner assembly. also known as flat cable, this cable moves along with the scanner unit (side to side) as it scans documents.
C8159A-Scanner_Motor Scanner Motor - Scanner driving motor
C8159A-Scanner_Unit Scanner Unit - Scanner unit includes the entire scanner base but not the ADF portion.
C8157-67063 Sensor - Sirius sensor assembly - Sensor that helps to determine the end and start of a page
C8159A-Sensor_ADF Sensor ADF - Photo-sensor assembly - includes the sensor and mounting bracket - paper pickup roller home position sensor - activated by the sensor flag on the pickup roller assembly - mounts on the front frame of the ADF paper pickup assembly
C8159A-Sensor_Exit Sensor Exit - Exit media sensor sv
C8159A-Sensor_Open Sensor Open - Door sensor assembly - open door sensor
C8159A-Sensor_Out Sensor Out - OOPS sensor - out of paper sensor - detects the presence of the paper in the printer tray
C8159A-Sensor_Spot Sensor Spot - Spot sensor assembly is attached to the carriage assembly.
C8159A-Separator Separator - Pad separator - assembled from plastic and rubber components; to help in separating sheet of media during printing from bottom trays.
C8159A-Guide Service Guide - Printer Reference Guide (not a service manual) - Contains information such as product information, operation overview, paper behavior, maintenance, ink safety, and removal / replacement of parts. This is not a service manual for technical repair.
C8157-67909 Service Parts - Fw Upgrade Cd K550 Series
C8157-69300 Service Parts - EUR Exch Refurb OJ Pro K550
C8157-67035 Service Station - Service Station for OfficeJet Pro K550 Series, HP OfficeJet Pro K550 Color Printer
C8159A-Service_Station Service Station - Service station assembly - for conditioning the printheads when the carriage is in its home position
C8159A-SLED_Assy SLED Assembly - Sled assembly - white plastic piece with spring, wipers and boot (assembly that the ink cartridge parks on) - mounts on top of the service station assembly
C8159A-Slider Slider - Carriage base slider - plastic piece on the front end of the carriage that allows the carriage to slide side to side.
C8159A-Speaker Speaker - Speaker assembly - includes speaker cable.
C8159A-Spitton Spitton - Spittoon base - the bottom and main housing of the service station assembly - holds any residual ink from the print cartridge cleaning process
C8159A-Spring_Cmprsn Spring Compression - Compression spring - on pulley wedge for carriage belt tension
C8157-67023 Stand - Auto pen to paper spacing stand - Helps maintain the correct distance of the carriage to paper
C8157-67022 Starwheel - Starwheel assembly - Ensures paper handover from feedrollers to output rollers
Q8046A Stickers - HP CD/DVD Tattoos - 13cm (5in) x 18cm (7in) - 15 sheets (USA, Latin America, and Canada)
Q8047A Stickers - HP CD/DVD Tattoos - 13cm (5in) x 18cm (7in) - 15 sheets (Europe, Middle East, and Africa)
C8159A-Trailing_Cbl Trailing Cable - Trailing cable for scanner - cable connects from scanner to pc board.
C8157-67015 Tray - Paper output tray - For the collection of printed paper
C8157-67016 Tray - Paper input tray (Tray 2) - Optional 350-sheet paper input tray that sits underneath the OfficeJet Pro K550 printer (Part of C8256A)
C8157-67017 Tray - Paper input tray (Tray 1) - Standard 250-sheet paper input tray - Holds paper ready for printing by printer
C8256A Tray - Paper input tray (Tray 2) - Optional 350-sheet paper input tray that sits underneath the OfficeJet Pro K550 printer
C8159A-Tray_Assy Tray Assembly - Paper input tray assembly for loading paper (bottom).
C8159A-Tray_Assy_CVR Tray Assembly Cover - Tray cover - the top cover for the paper pick up tray unit.
C8159A-Tray_Base Tray Base - Tray base- bottom base of the paper input tray.
C8159A-Window Window - Top/front access door assembly - print cartridge access door window.

OfficeJet Pro K550dtwn Color Printer parts list
bottom bar