Horizontal Streaks - Oki B6100 Technical Manual

engine fip5006FA
Step
DRUM GROUND
Check the Drum Ground Path:
1
Drum>Drum Shaft Pin>Spring Clip > Frame.
Is the Drum Ground Path complete?
ROS Assy
Use a sheet of paper to cover the laser beam window.
2
Generate a test print.
Is the problem still present?
BTR Assy
3
Inspect the BTR Assy for contamination.
Is the BTR free of contamination?
CRU FAILURE
4
Replace the CRU with a new one.
Is the problem solved?
HEAT ROLL Assy
5
Inspect the Heat Roll for scratches, objects, or contamination.
Is the Heat Roll free of scratches and contamination?
NOISE
6
Go to 6.20 Electrical Noise for possible noise problem.
OKI B6100 Laser Printer - Base Engine Technical Manual
Version 1.0
PROBLEM
There are black lines running horizontally 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
• PWBA HVPS
• BTR Assy
• Heat Roll
• Fuser Assy
• Harness Assy Conn (J23-J231)• PWBA HKB PS
2. Inspect the printer paper path. Is it clear of foreign matter such as staples,
paper clips, and paper scrap?
Actions and Questions
Primary FIPs:Image Quality Problems

5.8 Horizontal Streaks

• PWBA HKB26 MCU
• Spring Clip
• BTR Chute Assy
• Pressure Roll Assy
• ROS Assy
Yes
Go to step 2
Go to step 3
Go to step 4
Problem
solved
Go to step 6
No
Re-establish
the Drum
Ground Path
Go to 6.3
ROS Assy
Failure
Replace the
BTR Assy
Go to step 5
Replace the
Heat Roll
5-15