Oki B 6100, Technical Manual

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OKI B6100 Laser Printer - Base Engine Technical Manual 5-17
Version 1.0
Primary FIPs:Image Quality Problems
5.10 Spots
PROBLEM
There are spots of toner randomly scattered across the page.
INITIAL ANALYSIS
1. Inspect the following components. Are they compatible with your printer
version, correctly installed, not damaged, deformed, or contaminated?
• CRU • Fuser Assy
• Heat Roll • Pressure Roll Assy
• BTR 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
BTR Assy
Inspect the BTR Assy for contamination.
Is the BTR free of contamination?
Go to step 2 Replace the
BTR Assy
2
CRU FAILURE
Replace the CRU with a new one.
Is the problem solved?
Problem
solved
Go to step 3
3
HEAT ROLL DAMAGE
Do the spots occur at intervals of approximately 104mm? Replace the
Heat Roll
Go to step 4
4
PRESSURE ROLL DAMAGE
Do the spots occur at intervals of approximately 94mm?
Replace the
Pressure Roll
Assy
Return to Ini-
tial Analysis
engine fip5008FA