Specifications

Chapter 6: FRU Replacement and Fault Isolation Procedures
6-95
6.4.7 Vertical streaks
NOTES
:
1. This FIP does not use the
Diagnostic tool.
2. There is no corresponding control panel message for this item
3. This FIP may also fix BTR, fuser, or paper path contamination.
4. Try another toner cartridge
PROBLEM
There are black lines running vertically along the page.
INITIAL ANALYSIS
Inspect the following components. Are they compatible with your printer version, cor-
rectly installed, not damaged, deformed, or contaminated?
Toner Cartridge BTR Assembly
MCU PWB Fuser Assembly
ROS Assembly Transportation Chute Assembly
HVPS Wire Assembly ELIMINATOR
Heat Roll
Inspect the printer paper path. Is it clear of foreign matter, such as staples, paper clips, and
paper scraps?
1. LASER BEAM PATH
Inspect the laser beam path, between the ROS Assembly and the Drum, for contamination or
obstructions.
Is the laser beam path free of obstructions?
Yes No
Go to Step 2. Remove obstructions or contamination from the laser beam path.
2. BTR ASSEMBLY
Inspect the BTR Assembly for contamination.
Is the BTR free of contamination?
Yes No
Go to Step 3. Replace the BTR Assembly.
3. TRANSPORTATION CHUTE ASSEMBLY GROUND
Check the Eliminator Ground Path:
Transportation Chute Eliminator>Wire Assembly Eliminator>LVPS Assembly
Frame.
Is the Transportation Chute Assembly Ground Path functioning
correctly?
Yes No
Go to Step 4. Connect the Transportation Chute Assembly Ground correctly.