Sharp AR-C360P, Service Manual

Page: 148 / 180

Rev. 1
1 4 8 /
2
The white area gets dirty. (Figure 7-2 B )
• Has the image drum been exposed to external light for a long time?
YES Replace I/D Unit.
• NO Is the fuser unit roller dirty?
YES Replace the fuser unit.
• NO Correct the [Paper Thickness] setting.
Light: 64 g/m
2 Regular: 64 to 74 g/m 2 Slightly Heavy: 75 to 90 g/m 2
Heavy: 91 to 104 g/m 2 Medium Heavy: 105 to 120 g/m 2
Super Heavy: 121 to 203 g/m 2 OHP
NO Properly set the [Paper Thickness].
• YES Replace the LED head.
Has the problem been corrected?
YES END
• NO Replace the engine PCB (S2V PWB).
Has the problem been corrected?
YES END
• NO Replace the head shield cable.
Has the problem been corrected?
YES END
• NO Check the cable connection, then replace the low voltage power unit.
Has the problem been corrected?
YES END
• NO Is +24V output to the HVOLT connector pin 16 of the engine PCB (S2V PWB)?
NO Replace the engine PCB.
• YES Check the cable connection, then replace the high voltage power unit or belt unit.
Has operation been restored?
YES END
• NO Is the I/D unit terminal properly connected to the contact Assy?
(Refer to Figure 7-3)
NO Properly connect the I/D unit terminal to the contact Assy.
• YES Replace Image Drum Unit.
1. When replacing the Engine PCB (S2V PWB), remove the EEPROM from the old PCB,
then mount that EEPROM on the new PCB.
2. If the EEPROM is not going to be replaced, refer to Section 5.2.2.
Note