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HP Color LaserJet Enterprinse M855/M880 printer series repair manual

D7P71A Repair Manual View Repair Manual

Table of Contents

Removal and replacement
Removal and replacement strategy
Considerations during removal and replacement
Required tools
Service approach
Types of screws
After performing service
Before performing service
Parts removal order
Supported paper sizes and types
Customer-self repair assemblies
Toner cartridge
Imaging drum
Secondary transfer roller
Tray 2, 1x500 Tray 3, 3x500 Tray 3, 3x500 Tray 4, and 3x500 Tray 5
Intermediate transfer belt (ITB)
Switch back tray
Hard-disk drive (HDD) or solid-state memory (SSM)
Memory DIMM
Fax PCA (M880)
Document feeder mylar strip (M880)
Document feeder white backing (M880)
Background selector (M880)
Control panel assembly (M855)
Control panel assembly (M880)
Keyboard assembly (M880)
Pickup, feed, and separation rollers and pads
Document-feeder roller (M880 only)
Document-feeder separation pad (M880 only)
Tray 1 rollers
Tray 2, 1x500-sheet feeder, and 3x500-sheet feeder rollers
High-capacity input (HCI) rollers
Covers and doors
Location of major components
Scanner back cover (M880)
Scanner left cover (M880)
Scanner right cover (M880)
Scanner front cover (M880)
Right upper rear cover (M855)
Hardware integration pocket (HIP) cover (M855)
Hardware integration pocket (HIP) cover (M880)
Face-down bin
Left rear cover
Switch back cover
Lower right cover
Rear upper rear cover (M880)
Right upper rear cover (M880)
Rear upper MFP cover (M880)
Left upper rear cover and rear upper B cover (M880)
Rear upper front cover (M880)
Front top cover
Rear top cover (M855)
Left cover
Right upper front cover (M855)
Right upper front cover (M880)
Right upper cover (M855)
Right door assembly
Left front cover
Front door
Rear cover
Right rear cover
Front inner cover
Main assemblies
Location of major components
Document feeder assembly (M880)
Scanner control board (SCB) (M880)
Scanner assembly (M880)
Interlock switch assembly
Front-door open detection switch
Main switch assembly
Secondary transfer assembly
Multipurpose tray (Tray 1) drive assembly
Multipurpose tray (Tray 1) guide assembly
Tray 2 pickup unit
Fuser home position sensor
Shutter gear holder assembly
Fuser-edge area cooling fan FM10 (front)
Fuser-edge area cooling fan FM9 (rear)
Fuser fan FM2
Fuser fan duct
Cartridge fan FM3 (yellow and magenta)
Cartridge fan FM4 (cyan and black)
Laser/scanner fan FM1
Delivery fan FM8
Cartridge front area cooling fan FM7
Memory tag PCA
Image-drum motor
Fuser power supply
Primary transfer-roller disengagement motor
Intermediate transfer belt (ITB) alienation-drive assembly
Fuser motor
Intermediate transfer belt (ITB) motor
Toner-cartridge feed motor (black)
Toner-cartridge feed motor (yellow, magenta, and cyan)
Environmental sensor
Interconnect PCA (M855)
Interconnect PCA (M880)
Formatter case
Formatter, formatter case, and interconnect board (ICB)
High-voltage power supply (HVPS) B
DC controller PCA
Color-plane registration (CPR) sensor assembly
Low-voltage power supply (LVPS)
High-voltage power supply (HVPS) A (first transfer)
Lifter-drive assembly
Toner-cartridge drive assembly (yellow and magenta)
Toner-cartridge drive assembly (cyan and black)
Cartridge interface PCA (cyan and black)
Cartridge interface PCA (yellow and magenta)
Main drive assembly
Replace or reinstall the toner-cartridge drive assemblies or the main drive assembly
Fuser drive assembly
Scanner cover
Laser/scanner assembly (yellow and magenta)
Laser/scanner assembly (cyan and black)
Duplex reverse assembly (M855)
Duplex reverse assembly (M880)
VOC fan (M855)
VOC fan (M880)
Face-down delivery assembly(M855)
Face-down delivery assembly (M880)
Face-down cover
Duplexing feed assembly
Multipurpose tray (Tray 1) pickup assembly
Input accessories
High-capacity input (HCI) feeder
1x500- and 3x500-sheet feeders
Shared input accessory covers and doors
Intermediate paper transport unit (IPTU)
Location of major components
IPTU assembly
IPTU rear cover
IPTU driver PCA
IPTU finisher lock assembly
IPTU fan assembly
IPTU side panel assembly
IPTU upper and lower guide assemblies
Finishing accessories
Identify the finishing accessories
Identifying finishing accessory covers and doors
Shared finishing accessory assemblies
Booklet maker accessory
Booklet maker and stapler/stacker with hole punch accessories
Parts and diagrams
Order parts by authorized service providers
Order parts, accessories, and supplies
Related documentation and software
Supplies part numbers
Customer self-repair parts
Service replacement parts
How to use the parts lists and diagrams
Assembly locations
Base product (no optional trays or accessories)
Stapler/stacker and booklet maker
Intermediate paper transportation unit (IPTU)
1x500-sheet feeder
3x500-sheet feeder
High-capacity input (HCI) feeder
Document feeder and scanner assemblies (M880)
Document feeder assemblies (M880)
Scanner assemblies (M880)
Right door assembly
Internal components
Internal components (1 of 6)
Internal components (2 of 6)
Internal components (3 of 6)
Internal components (4 of 6)
Internal components (5 of 6)
Internal components (6 of 6)
Intermediate paper transfer unit (IPTU) assemblies
1x500-sheet feeder with stand (M855 only) covers
1x500-sheet feeder with stand (M855 only) covers
1x500-sheet feeder with stand components
3x500-sheet feeder
3x500-sheet feeder covers
3x500-sheet feeder components
High-capacity input (HCI) feeder
Stapler stacker/booklet maker
Stapler/stacker covers
Booklet maker covers
Finisher main body (1 of 3)
Finisher main body (2 of 3)
Finisher main body (3 of 3)
Stapler/stacker main body
Booklet maker main body
Booklet maker saddle assembly
Alphabetical parts list
Numerical parts list

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