Vertical Streaks - Oki B6100 Technical Manual

Primary FIPs:Image Quality Problems

5.7 Vertical Streaks

engine fip5005FA
Step
LASER BEAM PATH
Inspect the laser beam path, between the ROS Assy and the
1
Drum, for contamination or obstructions.
Is the laser beam path free of obstacles?
BTR Assy
2
Inspect the BTR Assy for contamination.
Is the BTR free of contamination?
INCOMPLETE DISCHARGE PROCESS
Remove the CRU and leave the Cover Assy Front open.
3
Cheat the Switch Assy I/L Front and run MAIN MOTOR TEST.
Does the BTR function normally?
CRU FAILURE
4
Replace the CRU with a new one.
Is the problem solved?
HEAT ROLL DAMAGE
5
Do the streaks occur at intervals of approximately 104
mm?
5-14
PROBLEM
There are black lines running vertically along the page.
INITIAL ANALYSIS
1. Inspect the following components. Are they compatible with your printer
version, correctly installed, not damaged, deformed, or contaminated?
• CRU
• PWBA HVPS
• BTR Assy
• Heat Roll
• Fuser Assy
2. Inspect the printer paper path. Is it clear of foreign matter such as staples,
paper clips, and paper scrap?
Actions and Questions
• PWBA HKB26 MCU
• Spring Clip
• BTR Chute Assy
• Pressure Roll Assy
• ROS Assy
OKI B6100 Laser Printer - Base Engine Technical Manual
Yes No
Go to step 2 Remove
obstructions
or contamina-
tion.
Go to step 3 Replace the
BTR Assy
Go to Step 4 Replace the
BTR Chute
Assy
Problem Go to step 5
solved
Replace the Return to Ini-
Heat Roll tial Analysis
Version 1.0