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HP DesignJet 8000s printer series service manual

Q6686A Service Manual View Service Manual

Table of Contents

Conventions
Part Numbers
Safety Precautions
Table of Contents
Troubleshooting
Introduction
Performing a Service Test on a Failed Assembly
Troubleshooting System Error Codes
Cover Sensors are not Working
Performing the Necessary Service Calibrations or Adjustments
Solving Print Quality Problems
The File Sent is Not Processed Immediately
The Printer does not Power ON
Abnormal Sound Coming from the Printer
Front Panel is Not Working
No Ink Message when there is Enough Ink
Paper Jams Occur Frequently
Print Speed is Very Slow
Solving Heater Problems
Special Power On Procedures
Both EEPROM and Main PCA are Replaced Together
Firmware Upgrade Instructions
System Error Codes
System Error Codes
Introduction
System Error Codes
Printhead Calibration
Printhead Nozzle Position Adjustment
Printhead to Printhead Calibration
Maintenance Mode
Diagnostics - Self Test
Introduction
Phone Support
Maintenance Mode Menus
Entering the Maintenance Mode
Basic Menu Operation
PH. MAIN. (Printhead Maintenance)
PRINTER
SETUP
ADJUST (Adjustment)
MNFG-PRN (Manufacturing Patterns)
SENSORS
VOLT (Voltage Check)
MOTORS
COUNTER
PH. INF. (Printhead Information)
ELECT (Electronics)
Maintenance Mode Menu Map
Adjustments and Calibrations
Adjustments
Calibrations
Belt Tension Adjustment
Carriage Height Adjustment
Scan-Axis Belt Tension Adjustment
Paper-Axis Motor Tension Adjustment
Printhead Inclination Adjustment
Printhead Capping Limit Adjustment
Vertical Capping Position Calibration
Wiping Position Calibration
Capping Position Calibration
Line Sensor Calibration (Side Margin)
Line Sensor Calibration (Top Margin)
Print Quality
Print Quality General Advice
Print Quality Troubleshooting Actions
Horizontal Lines Across the Image (Banding)
Bleeding, Repelling or Mottling Problems
Image is Completely Blank or Faded
Images are Blurred
Output Only Contains a Partial Print
Part of Image is Missing at the Start of the Print
Print Quality is not Improved After Printhead Recovery
The Printer Area is Stained
How to Check for Permanent Nozzles Out in a Printhead
Parts and Diagrams
Removal and Installation
Introduction
Electrostatic Discharge (ESD) Precautions
Safety Precautions
Window
Removal
Left and Right Door
Removal
Left and Right Trim
Removal
Left Top Cover
Removal
Right Top Cover
Removal
Left Side Cover
Removal
Right Side Cover
Removal
Left Back Cover
Removal
Top Cover
Removal
Back Cover
Removal
Maintenance Kit Drawer and Cover
Removal
Ink Cartridge Bay Cover
Removal
Front Panel
Removal
Window Sensors (Left or Right)
Removal
Main PCA
Removal
EEPROM
Removal
Power Supply Unit
Removal
Electronics Cooling Fan
Removal
Heater Relay Board
Removal
Front Heater
Removal
Rear Heater
Removal
Center Platen
Removal
Vacuum Fan
Removal
Media Sensor
Removal
Media Lever Sensor
Removal
Paper-Axis Motor
Removal
Encoder Disc and Sensor
Removal
Home Position Sensor
Removal
Paper-Axis Gear
Removal
Carriage Drive Assembly (Includes Carriage Belt)
Removal
Encoder Strip
Removal
Pinch Roller
Removal
Motor Cooling Fan
Removal
Scan-Axis Motor
Removal
Carriage PCA
Removal
Encoder Sensor
Removal
Line Sensor
Removal
Printhead
Replacement
Printhead Slot Assembly
Removal
Printhead Cooling Fan
Removal
Air Damper
Removal
Installation
Trailing Cable/Ink Supply Tubes
Removal
Installation
Capping Station
Removal
Capping Station Motor
Removal
Cap Motor Assembly
Removal
Capping Station Lever
Removal
Prime Assembly
Removal
Capping Unit
Removal
Valve Assembly
Removal
Wiping Station
Removal
Wiper Case
Removal
Wiper Cleaning Assembly
Removal
Wiper Blade Position Sensor
Removal
Ink Supply Station PCA
Removal
Cartridge Sensor
Removal
Ink Sensor
Removal
Ink Supply Station
Removal
Ink Filter Assembly
Removal
Waste Drainage Assembly
Removal
Waste Bottle Sensor and Holder
Removal
Preventive Maintenance
Printheads Maintenance
Daily Inspection and Maintenance
Periodic Maintenance
When Leaving the Printer Off for more than 2 weeks
When Returning to the Printer after more than 2 weeks
If the Printer is Switched Off for less than 2 weeks
If the Printer is Switched Off for more than one Month
Scheduled Preventive Maintenance
Transporting the Printer
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