Uneven Print Density; Irregularities - Muratec F-315 Field Engineering Manual

4.12.6 Uneven print density

Symptom: Image graduates from dark to light across page.
Poor development
B CDE
A
A B CDE
A B CDE
A B CDE
A B CDE
Defective Drum
Poor image transfer

4.12.7 Irregularities

Symptom: Portions of image are broken or missing.
Poor image transfer
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
• The drum cartridge or toner cartridge may be not installed correctly. Install
each cartridge correctly.
• Replace the Toner cartridge.
• Replace the High Voltage Unit.
• Clean the LED print head.
• If the drum surface for moisture condensation found, leave drum in unit with
power on to dry.
• Replace the Drum Cartridge.
• Replace the Image Transfer Unit.
• Replace the High Voltage Unit.
• Replace the Main Control PCB.
• Replace the Image Transfer Unit.
• Replace the High Voltage Unit.
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