Oki Data CONFIDENTIAL
42049001TH Rev.1
91 /
8
Missing image
•
Are the LED heads dirty?
YES Clean dirty LED head(s).
▼
•
NO
Are the LED head assys connected to the CU board (ARC PWB / OWL PWB) properly?
NO
Check the connection cables between not properly connected LED head(s) and the CU
board, and connect them correctly.
▼
•
YES
Are +5V and +3.3V being output to the following HEADPOW connector pins of the CU board
(ARC PWB)?
+5V: Pins 16, 18, 20, 22 and 24
+3.3V: Pin 14
•
YES Is +5V being output from the CU board (ARC PWB / OWL PWB) to the LED heads?
NO
Replace the CU board (ARC PWB / OWL PWB).
▼
•
YES Replace the LED head assys after checking cable connection. Has the problem been
resolved?
▼
•
NO
Replace the driver board (RSM PWB) after checking cable connection. Has the problem
been corrected?
YES End.
▼
•
NO
Is 24V being output to the POWER connector on the engine board (RSN PWB)?
+24V: Pins 2, 4, and 6
NO
Replace the low voltage power unit after checking cable connection.
▼
•
YES
Is 24V being output to the HVOLT connector pin 15 of the engine board (RSN PWB)?
NO
Replace the engine board.
▼
•
YES
Replace the high voltage power unit or the belt unit after checking cable connection.
YES End.
▼
•
NO
Are the pins of the image drum units are connected to the contact assy properly (see figure
5-3)?
NO
Connect not properly connected pins 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.
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Содержание C5100
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Страница 125: ...Oki Data CONFIDENTIAL 42049001TH Rev 1 126 Figure 7 8 2 Plate_Assy Shield C5100 1 2 2 C5100 www eManualpro com ...
Страница 149: ...42049001TH02 Rev 2 3 Oki Data CONFIDENTIAL CONTENTS 1 CIRCUIT DIAGRAM 4 2 COMPONENT PARTS LIST 70 www eManualpro com ...