5-10
Phaser 34
25
Laser Printer Service Manual
Unfused Image:
Part or
all of the image is
unfused.
■
Paper quality (damp
paper)
■
Operating environment
■
Remote Control Panel
settings
■
Fuser Assembly
■
Main Board
■
Paper is too thick, damp or
contains a high percentage of
cotton.
■
Printer is not installed in specified
environment.
■
Verify Remote Control Panel
settings, such as envelope.
■
Inspect /clean/replace Fuser
assembly as necessary.
■
Replace Main Board.
Skewed Image:
The
printed image is not
parallel with the sides of
the page.
■
Paper
■
Paper tray
■
Pick-up roller
assembly/Paper
transportation
■
Fuser Assembly
■
Inspect paper for damage.
Replace as necessary.
■
Check paper tray for damage.
Properly install fresh paper in the
paper tray.
■
Inspect Pick-up roller assembly.
Replace as necessary.
■
Inspect paper transportation
areas for proper operation.
■
Inspect /clean/replace Fuser
assembly as necessary.
Skips/Smears:
Skips,
loss or stretching of the
image in bands across
the process direction.
Smears, the distortion of
the image in bands
across the process
direction. Causes image
to appear blurred or
compressed.
■
Paper transportation
■
Main drive motor
assembly
■
Fuser Assembly
■
Print Cartridge
■
Inspect paper transportation
areas for proper operation.
■
Inspect main drive motor
assembly for damage or worn
gears. Replace as necessary.
■
Inspect /clean/replace Fuser
assembly as necessary page 8-5.
■
Replace Print Cartridge.
OHP Print Distortion:
Trembling appearance
when printing on
transparencies.
■
Remote Control Panel
settings
■
Recommended Media
■
Transfer roller voltage
■
Verify Remote Control Panel is
configured to Transparency
mode.
■
Verify transparency meets printer
specifications.
■
Inspect the Transfer Roller spring
tension and bearing contacts.
■
Replace Power Supply Board.
Image Defect
Possible Cause
Solution
Summary of Contents for Phaser 3425
Page 1: ...Service Manual P h a s e r L a s e r P r i n t e r 3425 ...
Page 2: ......
Page 14: ...xii Phaser 3425 Laser Printer ...
Page 20: ...xviii Phaser 3425 Laser Printer ...
Page 29: ...General Information 1 9 Consumables 1 Print Cartridge 1 ...
Page 48: ...2 14 Phaser 3425 Laser Printer Service Manual ...
Page 93: ...6 Chapter Adjustments and Calibrations In this chapter Margin Calibration Resetting NVRAM ...
Page 98: ...7 4 Phaser 3425 Laser Printer Service Manual ...
Page 144: ...8 46 Phaser 3425 Laser Printer Service Manual ...
Page 145: ...9 Chapter Parts Lists In this chapter Using the Parts List Print Engine Parts Xerox Supplies ...
Page 175: ...10 6 Phaser 3425 Laser Printer Service Manual ...
Page 179: ......
Page 180: ......