Oki B 6100, Technical Manual

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OKI B6100 Laser Printer - Base Engine Technical Manual 5-11
Version 1.0
Primary FIPs:Image Quality Problems
5.5 Vertical Linear Deletions
PROBLEM
There are areas of the image that are extremely light or missing entirely.
These missing areas form narrow lines running vertically along the pages, in
the direction of paper travel.
INITIAL ANALYSIS
1. Inspect the following components. Are they compatible with your printer
version, correctly installed, not damaged, deformed, or contaminated?
• CRU • PWBA HKB26 MCU
• BTR Assy • BTR Chute Assy
• Heat Roll • Pressure Roll Assy
• Fuser Assy • ROS Assy
2. Inspect the printer paper path. Is it clear of foreign matter such as staples,
paper clips, and paper scrap?
Step Actions and Questions Yes No
1
LASER BEAM PATH
Inspect the laser beam path, between the ROS Assy and the
Drum, for contamination or obstructions.
Is the laser beam path free of obstacles?
Go to step 2 Remove
obstructions
or contamina-
tion.
2
BTR Assy
Inspect the BTR Assy for contamination.
Is the BTR free of contamination?
Go to step 3 Replace the
BTR Assy
3
CRU FAILURE
Replace the CRU with a new one.
Is the problem solved?
Problem
solved
Go to step 4
4
HEAT ROLL DAMAGE
Inspect the Heat Roll for scratches, objects, or contamination.
Is the Heat Roll free of scratches and contamination?
Go to step 5 Replace the
Heat Roll
5
PAPER PATH
Inspect the paper path, between feed and exit, for contamina-
tion or obstructions.
Is the paper path free of obstructions?
Return to Ini-
tial Analysis
Remove
obstructions
or contamina-
tion from the
paper path.
engine fip5003FA