Xerox 3450B - Phaser B/W Laser Printer Service Manual page 91

Image Defect
Unfused Image: Part or
all of the image is
unfused.
Skewed Image: The
printed image is not
parallel with the sides of
the page.
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.
OHP Print Distortion:
Trembling appearance
when printing on
transparencies.
5-10
Possible Cause
Paper quality (damp
■
paper)
Operating environment
■
Remote Control Panel
■
settings
Fuser Assembly
■
Main Board
■
Paper
■
Paper tray
■
Pick-up roller
■
assembly/Paper
transportation
Fuser Assembly
■
Paper transportation
■
Main drive motor
■
assembly
Fuser Assembly
■
Print Cartridge
■
Remote Control Panel
■
settings
Recommended Media
■
Transfer roller voltage
■
Phaser 3450 Laser Printer Service Manual
Solution
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.
■
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.
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.
■
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.
■