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HP Color LaserJet Enterprise M651/M680 MFP repair manual

L3U47A 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
Customer self repair (CSR) assemblies
Toner cartridges
Toner-collection unit
Tray
Formatter PCA
Fax PCA (M680)
Hard-disk drive (HDD) or solid-state memory (SSM)
Memory DIMM
Fuser
Intermediate transfer belt (ITB)
Control panel assembly (M651)
Control-panel assembly (M680)
Keyboard assembly (M680z)
Feed and separation rollers (Trays 2-5)
Pickup roller (Tray 1)
Secondary transfer roller
Standard output bin (M680)
Output bin bezel (M680)
Document feeder white backing (M680)
Background selector (M680)
Document-feeder roller (M680)
Document-feeder separation pad and holder (M680)
Document feeder and scanner (M680)
Document feeder mylar strip
Document-feeder roller cover
Scanner rear cover
Document feeder (ADF)
Document-feeder hinge assembly
Scanner control board (SCB) fan (M680)
Scanner control board (SCB)
Image scanner assembly
Scissor hinge assemblies
External panels, covers, and doors
Upper left cover (M651)
Fan cover (M680)
Left rear cover
Left cover
Rear cover (M651)
Rear cover (M680)
Right-front cover
Front door assembly
Right door assembly
Face-down tray (M651)
Face-down rear cover (M651)
Upper cover (M651)
Front face-down cover and right-front upper cover (M651)
Intermediate cover assembly (M680)
Right-rear cover
Internal assemblies
IPTU (M680)
Cassette feed guide
Secondary transfer assembly
Tray 1 separation pad
Registration density (RD) sensor assembly
Registration assembly
Paper-delivery fan (M651)
Paper-delivery fan (M680)
Residual-toner-feed motor
Residual-toner transfer assembly
Cartridge fan and environmental sensor
Residual toner full sensor
Delivery assembly (M651)
Delivery assembly (M680)
Duplex-drive assembly
Power-supply fan (M651)
Power-supply fan (M680)
Interconnect board (ICB) (M651)
Interconnect board (ICB) (M680)
DC controller PCA only
Low-voltage power supply (LVPS)
DC controller PCA and tray
High-voltage power supply lower (HVPS-D)
Developing-disengagement motor
Exhaust fan and fan duct
Pickup motor
Lifter-drive assembly
Lifter base assembly
Paper-pickup drive assembly
Paper-pickup assembly
Laser/scanner assembly (Y/M)
Laser/scanner assembly (C/K)
High-voltage power supply upper (HVPS-T)
Yellow, magenta, cyan, and black drum motors
Fuser motor
ITB motor
Main-drive assembly
Fuser drive assembly
Optional input and output accessories
1x500-sheet paper feeder
1x500-sheet paper feeder with cabinet
2,500-sheet paper feeder HCI
Stapling mailbox (M680)
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
Accessories
Service replacement parts
How to use the parts lists and diagrams
Document feeder and scanner assemblies
Document feeder assemblies
Scan control board (SCB)
Covers
Covers (M651)
Covers (M680)
Right door
Control panels
Internal assemblies
Internal assemblies (M651)
Internal assemblies (M680)
Internal assemblies (1 of 6)
Internal assemblies (2 of 6)
Internal assemblies (3 of 6)
Internal assemblies (4 of 6)
Internal assemblies (5 of 6)
Internal assemblies (6 of 6)
1x500-sheet paper feeder
1x500-sheet paper feeder covers
1x500-sheet paper feeder components
1x500-sheet paper feeder with cabinet
1x500-sheet paper feeder with cabinet covers
1x500-sheet paper feeder with cabinet components
2,500-sheet paper feeder HCI
2,500-sheet paper feeder HCI covers
2,500-sheet paper feeder HCI components (1 of 2)
2,500-sheet paper feeder HCI components (2 of 2)
Stapling mailbox
Stapling mailbox covers
Stapling mailbox assemblies (1 of 2)
Stapling mailbox assemblies (2 of 2)
Alphabetical parts list
Numerical parts list
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