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HP PageWide Managed Color MFP P77960 Service Manual
HP PageWide Enterprise Color 765
HP PageWide Enterprise Color MFP 780
HP PageWide Enterprise Color 785
HP PageWide Pro 755
HP PageWide Pro MFP 774
HP PageWide Pro MFP 779
HP PageWide Managed Color E75160
HP PageWide Managed Color P75250
HP PageWide Managed Color MFP E77650
HP PageWide Managed Color MFP E77660
HP PageWide Managed Color MFP P77440
HP PageWide Managed Color MFP P77940
HP PageWide Managed Color MFP P77950
HP PageWide Managed Color MFP P77960
Language and Format: English/PDF
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Table of content:
Content for REPAIR MANUAL:
1. REMOVAL AND REPLACEMENT
For additional service and support
Removal and replacement strategy
Introduction
Considerations during removal and replacement
Electrostatic discharge
Required tools
Fasteners types
Service approach
Before performing service
After performing service
Post-service test
Removal and replacement procedurrles
Customer self-repair (CSR A) parts and assemblies
Customer self-repair (CSR B) parts and assemblies
Field replaceable units (FRUs)
Removal and replacement: Trays
Removal and replacement: Accessories
Removal and replacement: Input accessories
Removal and replacement: Output accessories
2. PARTS AND DIAGRAMS
Related documentation and software
Order parts, accessories, and supplies
Ordering
Orderable parts
Supplies and accessories
Customer self-repair parts
Support portals and documentation resources
Assembly locations
Front view models 774/779/780/785/E776/P774/P779 (MFP)
Rear view models 774/779/780/785/E776/P774/P779 (MFP)
Floor standing finisher module (MFP; FSF models only)
Front view model 755/765/E751/P752 (SFP)
Rear view model 755/765/E751/P752 (SFP)
How to use the parts list and diagrams
Parts and diagrams: Document feeder and scanner whole units (780/785)
Document feeder and scanner (780/785/E776/P774/P779)
Parts and diagrams: Covers (printer)
Covers (780/785/E776/P774/P779 models)
Covers (765/E751/P752 models)
Covers (floor standing finisher printers)
Parts and diagrams: Tray pick and duplex path assemblies
Tray pick and duplex path assemblies
Parts and diagrams: Feedshaft, drop detect, and deskew assemblies
Feedshaft, drop detect, and deskew assemblies
Parts and diagrams: Left door assembly
Left door assemblies
Left door eject assemblies
Parts and diagrams: Airflow and right door assemblies
Airflow and right door assemblies
Parts and diagrams: Electrical assemblies 1
Electrical assemblies 1
Parts and diagrams: Electrical assemblies 2
Electrical assemblies 2
Parts and diagrams: Printhead assembly
Printhead assembly
Parts and diagrams: Printhead wiper assemblies
Printhead wiper assemblies
Parts and diagrams: Bridge assemblies (floor standing finisher printers)
Bridge assemblies (FSF printers)
Parts and diagrams: Chassis assemblies (floor standing finisher printers)
Chassis assemblies (FSF printers)
Parts and diagrams: Vapor module (floor standing finisher printers)
Vapor module (FSF printers)
Parts and diagrams: FFCs and engine FFC kits
FFCs and engine FFC kits
Parts and diagrams: Discrete cables
Discrete cables
Discrete Cables and FFCs (floor standing finisher)
Parts and diagrams: 550-sheet feeder
550-sheet feeder covers
550-sheet feeder internal assemblies
Parts and diagrams: 1x550-sheet feeder with storage cabinet
1x550-sheet feeder with storage cabinet covers
1x550-sheet feeder with storage cabinet internal assemblies
Parts and diagrams: 3x550-sheet feeder
3x550-sheet feeder covers
3x550-sheet feeder internal assemblies
Parts and diagrams: High capacity input (HCI) feeder
HCI feeder covers
HCI feeder internal assemblies
Parts and diagrams: Inline finisher
Inline finisher covers
Inline finisher internal components
Inline finisher mezzanine assemblies
Inline finisher FFCs
Parts and diagrams: 3,250-sheet floor standing finisher
Floor standing finisher whole unit replacement (WUR)
Floor standing finisher covers
Floor standing finisher internal assemblies 1
Floor standing finisher internal assemblies 2
Floor standing finisher internal assemblies 3
Floor standing finisher internal assemblies 4
SCU motor and STK motor, floor standing finisher
Drive buffer, top lower, and top jam, floor standing finisher
Entrance guide, mid jam, and main exit, floor standing finisher
Transfer buffer, right jam, div cam, hb motor, and paddle motor, floor standing finisher
Front alignment (tamper) unit, floor standing finisher
Rear alignment (tamper) unit, floor standing finisher
Upper shield, floor standing finisher
Backpack assembly, floor standing finisher
Alphabetical parts list
Numerical parts list
INDEX.
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Content for TROUBLESHOOTING MANUAL:
1. THEORY OF OPERATION
Basic operation
Function structure
Operation sequence
System control
Formatter and data path
Engine control
Pen interface (I/F)
Power supply
AC control module
Cabling system
Flat Flexible Cables
FFC routing
Discrete cables
Ground wires
Connectors
Ferrites
Cable management
Print subsystem
Printhead
Printhead air management system
Printhead lift
Print cartridges
Optical scan carriage
Print system operational states
Paper-handling system
Printer sensors
High Capacity Input (HCI) sensors
3x550 tray sensors
1x550 tray sensors
Inline finisher sensors
Printer motors/solenoids
High capacity input (HCI) motors/solenoids
3x550 tray motors/solenoids
1x550 tray motors/solenoids
Inline finisher motors
Printer printing system
Input trays
Paper path zones
Jam detection
Servicing system
Printhead wiper
Service fluid and aerosol management systems
Airflow system
Function
Heating
Airflow
Modes
Components
Document feeder system
Document feed system
Sensors in the document feeder
Document feeder paper path
Document feeder simplex operation
Document feeder e-duplex operation
Deskew operation
Document feeder hinges
Scanning and image capture system (780/785)
Fax functions and operation
Computer and network security features
PSTN operation
The fax subsystem
Fax card in the fax subsystem
Fax page storage in flash memory
Output accessories
Inline finisher
2. SOLVE PROBLEMS
Problem-solving checklist
Step 1: Check that the printer power is on
Step 2: Check the control panel for error messages
Step 3: Test print functionality
Step 4: Test copy functionality (MFP models only)
Step 5: Test the fax sending functionality (785f/785zs/785z+)
Step 6: Test the fax receiving functionality (fax models only)
Step 7: Try sending a print job from a computer
Step 8: Test the Plug and Print USB Drive printing functionality
Factors that affect printer performance
Troubleshooting process
Determine the problem source
Power subsystem
Tools for troubleshooting
Print the configuration and printhead information pages
Event log messages
Tools for troubleshooting: Individual component diagnostics
Diagrams
Print-quality troubleshooting tools
Control panel menus
Control panel message document (CPMD)
Print quality troubleshooting guide
Printer pre-checks
Printer specific image defects
Solve copy/scan problems (780/785)
Solve copy problems (780/785 models only)
Solve scan problems (780/785 models only)
Solve paper jam or feed problems
Printer does not pick up paper or misfeeds
Clear paper jams
Solve performance problems
Factors affecting print performance
The printer does not print or it prints slowly
The printer prints slowly
Solve connectivity problems
Solve USB connection problems
Solve wired network problems
Service mode functions
Service menu
Printer resets
Format Disk and Partial Clean functions
Firmware upgrades
Determine the installed revision of firmware
Perform a firmware upgrade
Solve fax problems
Solve email problems
Appendix A Printer specifications
Printer dimensions and weight
Printer space requirements
Power consumption, electrical specifications, and acoustic emissions
Operating-environment range
Certificate of Volatility
Index.
File Data
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