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Rear cover, rear door, and duplex-paper-feed assembly
NOTE: Only the HP LaserJet P2050 Series products have a duplex-paper-feed assembly installed.
CAUTION: The fuser can be hot while the product is in use. Wait for the fuser to cool before handling it.
1.Remove the following components:
●Right cover. See Right cover on page 115.
●Left cover. See Left cover on page 118.
2.HP LaserJet P2050 Series only: Pull down on the green duplex-paper-feed-assembly release tab, and then lower the assembly.
NOTE: To locate the assembly release tab, look up into the Tray 2 cavity (where the cassette would be installed).
Figure 6-33Remove the rear cover, rear door, and duplex-paper-feed assembly (1 of 6; HP LaserJet P2050 Series only)
120 Chapter 6 Removal and replacement | ENWW |
Contents
HP LaserJet P2050 and P2030 Series Printers
Page
Page
Copyright and License
Trademark Credits
Table of contents
Control panel
Paper and print media
Manage and maintain
Removal and replacement
Theory of operation
Solve problems
Enww
Parts and diagrams
Appendix a Service and support
Appendix B Specifications
Appendix C Regulatory information
301
Product basics
Product comparison
HP LaserJet P2050 Series Printers
HP LaserJet P2055d printer HP LaserJet P2055dn printer
CE457A CE459A CE460A
HP LaserJet P2030 Series Printers
HP LaserJet P2035 printer
CE461A CE462A
Product features
Feature Description
Button, 6 LED control panel
Product walkaround
Front view
Rear view
Interface ports
Model and serial number label
HP LaserJet P2030 Series Printers
Rear view
1HP LaserJet P2035 printer
Model and serial-number label location
Software installation types for Windows
Supported product software
Software included with the product
Macintosh software
HP Web Jetadmin
Other software provided
Software for Windows
Software for networks
Software for other operating systems
Software
System minimum requirements
Windows requirements
Macintosh requirements
Service name Description
Connectivity
Supported networks HP LaserJet P2050 Series Printers
2Network product discovery
Supported network HP LaserJet P2030 Series Printers
4IP addressing
6Network product discovery
7Messaging and management
8IP addressing
Product basics
Control panel
Control panel HP LaserJet P2050 Series Printers only
Control-panel layout
Number Button or light Function
Use the control-panel menus
Use the menus
Reports menu
Menu item Description
System setup menu
Menu item Sub-menu item Description
Control panel
Service menu
Use this menu to establish network configuration settings
WEB
Control panel HP LaserJet P2030 Series Printers only
Go button and light
Paper and print media
Size and dimensions Tray Optional 500-sheet Duplexer
Supported paper and print media
Paper for the HP LaserJet P2050 Series Printers
Supported paper and print media sizes
Supported paper and print media types
Tray or bin Paper type Specifications Quantity
Paper for the HP LaserJet P2030 Series Printers
Tray and bin capacity
Recycled
Size and dimensions Tray
2Supported paper and print media sizes
Paper type printer driver Tray
Tray and bin capacity
Load paper and print media
Load trays
Paper orientation for loading trays
Tray
Load A6-size paper
Optional Tray 3 HP LaserJet P2050 Series Printers only
Manual feed
Configure trays
Configure trays HP LaserJet P2050 Series Printers only
Configure trays HP LaserJet P2030 Series Printers only
Use paper output options
Print to the top standard output bin
Print to the straight-through paper path rear output
Paper and print media
Manage and maintain
Print the information pages
Demo
Print the information pages
Name of report Description
Configuration
Supplies Status
View HP ToolboxFX
Status
Event log
Set up Status Alerts
Set up E-mail Alerts
Alerts
Help
Device Settings
Device Information
Paper Handling
Printing
PCL5c
PostScript
Network Settings
Shop for Supplies
Other Links
Enww
Manage a network product
Open the embedded Web server
Status tab
Use HP Web Jetadmin software
Use security features
Manage supplies
Supplies life
Manage the print cartridge
Enww
Supply replacement guidelines
Replace supplies and parts
Redistribute toner
Change the print cartridge
Enww
Install memory HP LaserJet P2050 Series Printers only
Install product memory
Install memory HP LaserJet P2050 Series Printers only
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Check Dimm installation
Save resources permanent resources
Enable memory for Windows
Click the Device Settings tab
Clean the product
Clean the print-cartridge area
Clean the paper path HP LaserJet P2050 Series Printers only
Clean the paper path HP LaserJet P2030 Series Printers only
Clean the Tray 1 pickup roller
Settings tab
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Clean the Tray 2 pickup roller
Enww
Reconnect the power cord, and turn the product on
Manage and maintain
Theory of operation
1Block diagram
Introduction
Internal components
2Cross-section of product
Enww
Timing
1Sequence of operation
Name Timing Purpose
Engine control system
3Engine control system
DC controller
4DC controller
Low-voltage power supply
Swon
High-voltage power supply
6High-voltage power supply
Laser/scanner system
7Laser/scanner system
Laser failure detection
Image-formation system
Primary charging
10 Developing
11 Transfer
13 Fusing
Pickup/feed/delivery system
Pickup/feed/delivery system
Jam detection
16Jam detection
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Removal and replacement
Removal and replacement strategy
Electrostatic discharge
Required tools
1Phillips and pozidrive screwdriver comparison
Before performing service
After performing service
Post-service test
Print-quality test
Print cartridge
Tray 2 cassette
3Remove the Tray 2 cassette
Rollers and pads
Pickup roller Tray
Release two tabs
8Remove the pickup roller Tray 1 5 Removal and replacement
Pickup roller assembly Tray
9Remove the pickup roller assembly Tray 2 1
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13Remove the pickup roller Tray 2 5
Separation-pad assembly Tray
14Remove the separation-pad assembly Tray 2 1
Transfer roller
19Remove the transfer roller 4 Removal and replacement
20Remove the transfer roller 5
External panels, covers, and doors
Dimm door HP LaserJet P2050 Series only
Right cover
26Remove the right cover 4 Removal and replacement
Reinstall the right cover
Left cover
Enww
Rear cover, rear door, and duplex-paper-feed assembly
Remove five screws callout
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Top-cover assembly
Enww
Remove three screws callout
Cartridge-door assembly and front cover
44Remove the cartridge door assembly and front cover 2
Carefully remove the cartridge-door assembly
Reinstall the cartridge-door assembly and front cover
Internal assemblies
Formatter PCA HP LaserJet P2030 Series
Internal assemblies
Formatter PCA HP LaserJet P2050 Series
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Paper-pickup-gear assembly
Reinstall the paper-pickup-gear assembly
55Remove the paper-pickup-gear assembly 3
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Cartridge-door switch
Tray 1 pickup solenoid
Enww
Fan
65Remove the fan 3
Reverse-sensor assembly HP LaserJet P2050 Series
Remove the reverse-sensor assembly
Power-switch assembly
68Remove the power-switch assembly 1 Removal and replacement
70Remove the power-switch assembly 3
71Remove the power-switch assembly 4 Removal and replacement
Connecting PCA
72Remove the connecting PCA 1
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75Remove the connecting PCA 4
Inlet-cable assembly
76Remove the inlet-cable assembly 1 Removal and replacement
78Remove the inlet-cable assembly 3
Registration assembly
Top cover assembly. See Top-cover assembly on
80Remove the registration assembly 2 Remove the guide
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85Remove the registration assembly 7
Laser/scanner assembly
87Remove the laser/scanner assembly 2
88Remove the fuser 1 Removal and replacement
Fuser
Enww
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94Remove the fuser 7
Reinstall the fuser
Engine controller unit ECU
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101Remove the ECU 5
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107Remove the ECU 11 Removal and replacement
109Remove the ECU 13
Reinstall the ECU
111Reinstall the fuser 1 Removal and replacement
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Paper-feed-guide assembly
114Remove the paper-feed-guide assembly 2
Main motor
117Remove the main motor 3
118Remove the main motor 4
Face-down-drive or duplexing-paper-feed assembly
Remove the fan duct
Remove the face-down-drive or duplexing-paper-feed assembly
Duplex solenoid HP LaserJet P2050 Series
Paper-retaining-delivery assembly
125Remove the paper-retaining-delivery assembly 1
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Remove the paper-retaining-delivery assembly
Solve problems
Solve general problems
Troubleshooting checklist
Factors that affect product performance
Basic problem solving
1Basic problem solving
Problem Cause Solution
Engine components
Engine test page on
Menu map HP LaserJet P2050 Series Printers only
Print a menu map
Troubleshooting process
Pre-troubleshooting checklist
General topic Questions
For 10 to 20 minutes
Tools for troubleshooting
Continuous self-test HP LaserJet P2050 Series only
Half self-test functional check
Drum rotation functional check
Heating element check
High-voltage contacts check
Checking the print cartridge contacts
1High-voltage contact points on the print cartridge
Component locations
2Left-side components
Reference Component Description If disconnected or blocked
3Right-side components
FM1
4Connector PCA components
Reference Component Description
5Rear-side components
6Print cartridge components
Output bin appears
Cartridge area appears
7Top components
Bin full appears
8Tray 1 and Tray 2 components
Problem-solve diagrams
Repetitive image defect ruler
9Repetitive defects
Component Distance between defects
10Engine controller connectors
Description When disconnected
Engine controller PCA
Supply memory error appears
Control-panel messageLoad paper appears
Open door and clear jam appear
Major components
11Major components
PCAs
12 PCAs
Chart
Timing chart
General
Circuit diagram
Circuit diagram
13Status-light legend
14Control-panel light messages
Light status State of the product Action
Processing Data
Manual Feed or Continuable Error
Toner Low
Toner Missing
Jam
Paper Mount
Supply memory error
Fuser error
Scanner Error
Alert message Description Recommended action
Engine communication error
Install black cartridge
Door Open
Jam in cartridge area
Jam in output bin
Jam in Tray
Non-HP supply installed
Load paper
Manual feed
No paper pickup
Engine error
Control-panel messages
Print failure
Press OK
41.X.Error
Error
Turn off then on
XX Error 51.0000
Turn off then on Laser/scanner assembly error
Fan error
Service error
Device error
Genuine HP supply installed
Press OK Door open
Specifications
Cleaning mode OK to start
Load paper
Load tray # Type Size
Press OK for available media
Load tray 1 Type Size
Manual duplex
Load tray
Manual feed Type Size
Used cartridge installed
Used cartridge in use
To accept press OK
Event-log messages
Print the event log HP LaserJet P2050 Series Printers only
Print an event log HP LaserJet P2030 Series Printers only
Event log messages
Solve problems
Paper-handling problems
Product is jammed.1 Cause Solution
Jams
Common causes of jams
Jam locations
Clear jams
Internal areas Print-cartridge area and paper path
Enww
Duplex paper path HP LaserJet P2050 Series Printers only
Enww
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Input trays Tray
Tray
Enww
Tray 3 HP LaserJet P2050 Series Printers only
Output bins
Enww
Solve image-quality problems
Printed page is different from what appeared onscreen
16Printed page is different from what appeared onscreen
Image defect examples
Light print or faded
Toner specks
Dropouts
Vertical lines
Gray background
Toner smear
Loose toner
Vertical repetitive defects
Misformed characters
Skew
Curl or wave
Wrinkles or creases
Toner scatter outline
Solve print-quality problems
Print-quality problems associated with paper
Print-quality problems associated with the environment
Print-quality problems associated with jams
Solve performance problems
Solve connectivity problems
Solve direct-connect problems
Solve network problems
Service mode functions
Open the secondary service menu
Secondary service menu structure
17Secondary Service menu
Engine resets
Restore defaults
Engine test
Nvram initialization HP LaserJet P2050 Series Printers only
Solve problems
Parts and diagrams
Order parts, accessories, and supplies
Paper-handling accessories
Part numbers
Print cartridges
Memory
Whole unit replacement
Product Model Voltage Description Part number
Screws
1Common fasteners
Example Description Size Part Number
How to use the parts lists and diagrams
How to use the parts lists and diagrams
External covers, panels, and doors
HP LaserJet P2035
2External covers, panels, and doors HP LaserJet P2035
Description Part number Qty
HP LaserJet P2055
3External covers, panels, and doors HP LaserJet P2055
Internal components 1
Hplj 2050 Series only
4Internal components 1
Internal components 2
4Internal components 2
5Internal components 2
Internal components 3
Hplj 2030 Series only Hplj 2050 Series only
6Internal components 3
Internal components 4
6Internal components 4
7Internal components 4
Internal components 5
7Internal components 5
8Internal components 5
Alphabetical parts list
9Alphabetical parts list
Internal components 1
Switch, push SW301 cartridge-door interlock WC4-5171-000CN
Numerical parts list
10Numerical parts list
Part number Description
External covers, panels, and doors HP LaserJet P2035 on
RM1-6445-000CN Reverse-sensor assembly HP LaserJet P2055
Parts and diagrams
Service and support
Hewlett-Packard limited warranty statement
Print cartridge limited warranty statement
End User License Agreement
Transfer
End User License Agreement
Customer self-repair warranty service
Customer support
Ljp2030series
HP maintenance agreements
On-site service agreements
Next-day on-site service
Weekly volume on-site service
Extended warranty
Appendix a Service and support
Specifications
Physical specifications
Electrical specifications
Table B-1Product dimensions and weights
Table B-3Product dimensions and weights
Acoustic emissions
Operating environment
Appendix B Specifications
Regulatory information
FCC regulations
Declaration of conformity
Declaration of conformity
Declaration of Conformity
Safety statements
Laser safety
Canadian DOC regulations
Laser statement for Finland
Luokan 1 laserlaite
Substances Table China
Symbols/Numerics
Cables
Dimm
See also solving
Macintosh
PCL
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TCP/IP
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Page
CE457-90980* *CE457-90980