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Tektronix Manuals
Printer
1235N - Phaser Color Laser Printer
Service manual
Tektronix 1235N - Phaser Color Laser Printer Service Manual page 7
Network color printer
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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Service Tests and Adjustments
Diagnostics mode
Switch scan test
LED head test
Motor and clutch tests
Test printing
Consumable count initialization
Consumable counter display
Consumable continuation counter display
Adjusting color density and balance
Printing a Test Page
Interpreting the Color Balance test print
What to look for
Making adjustments
Adjustment recovery
Cleaning and Maintenance
Service preventive maintenance procedure
Recommended tools
Periodically replaced parts
Cleaning
Cleaning the LED bar
Cleaning the pickup roller
Resetting NVRAM
FRU Disassembly
Cabinet panels
Top cover
Left-side cover
Right-side cover
Rear cover
Front cover
Face-up tray
Frames components
Right shield plate
Electrical chassis (card cage)
Electrical chassis cooling fan
Printer unit chassis
Main cooling fan
Top cover inner frame
Left/right top cover spring assembly
Left paper tray guide assembly
Right paper tray guide assembly
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Service Guide
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Troubleshooting
Troubleshooting
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Print engine troubleshooting
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