Specifications

Troubleshooting Print Quality Problems - 2
P-1 Light Prints
Step Actions and Questions
Action
(When There Is Problem)
Paper conditions (moisture, warp, etc.)
Is the problem solved if you use new sheets of paper?
Replace the paper. Advise
the customer to stock paper
in a dry place.
Toner cartridge
Is the problem solved by replacing the toner cartridge with a
new one?
Replace the toner cartridge.
Dirty reflecting mirror
Is the problem solved if you use the peach-colored slider
(built into the mirror assembly) to wipe the mirror clean?
Clean the mirror.
Drum ground
Is the toner cartridge drum grounded securely?
* Check the drum ground path: drum > drum shaft pin >
Restore the continuity of the
drum ground path.
Laser beam path
Are there obstructions or contamination on the laser beam
path from the laser/scanner assembly to the Drum?
Remove the obstructions or
contamination.
Transfer roller assembly
Are there foreign objects or contamination on the roller
portion of the transfer roller assembly?
Replace the transfer roller
assembly.
Charging and development
Is the toner image on the drum normally developed?
* Switch off the printer power while the development is in
progress, and visually check the toner image on the drum (the
area upstream of the transfer step).
Go to FIP-2.18 Power
Supply Assy (HV part)
failure.
Transfer
Is the toner image on the drum transferred normally on the
paper?
* Switch off the printer power while the transfer is in
progress, and visually check the toner image on the drum.
Go to FIP-2.18 Power
Supply Assy (HV part)
failure.
Problem
The overall image density is lighter than normal.
Initial Analysis
Inspect the following components. Are they compatible with your printer ver-
sion, correctly installed, not damaged, deformed or contaminated, or free of
foreign objects sticking?
• Toner Cartridge • Power Supply Assy • Transfer Roller Assy
• Mirror Assembly • Laser/Scanner Assy • DC Controller Board
• Fuser Assembly • Fuser Pressure Roller • Static Eliminator
• Top Cover