Oki Data CONFIDENTIAL
42049001TH Rev.1 84 /
1 Light or faded image, or color misalignment, on whole page (Fig 5-2 A )
• Is toner running short (Is TONER LOW displayed)?
YES Supply toner.
▼
• NO Is proper paper being used?
NO Use proper paper.
▼
• YES Are the LED head lenses dirty?
YES Clean dirty lens(es).
▼
• NO Are the LED head assys all connected to the CU board (ARC PWB / OWL PWB) properly?
NO Connect the cable(s) between not properly connected LED head(s) and the engine board
correctly.
▼
• YES Are +5V and +3.3V being output from the CU board (ARC PWB / OWL PWB) to the LED head
assys?
+3.3V: 14
+5V: 16, 18, 29, 22 and 24
NO Replace the CU board (ARC PWB / OWL PWB).
▼
• YES Replace the LED head assys after checking cable connection. Has the problem been
corrected?
YES End.
▼
• NO Replace the high voltage power unit or the belt unit after checking cable connection.
Has the problem been corrected?
YES End.
▼
• NO Are the image drum unit pins connected to the contact assy properly (see figure 5-2)?
NO Connect not properly connected image drum unit(s) to the contact assy correctly.
▼
• YES Replace the image drum units.
Note:
When replacing the engine board (RSN PWB), extract EEPROM data from it and copy the
data onto a new engine board.
To Next Page
Loading...
