Oki Data CONFIDENTIAL
42930511TH Rev. 2 204 /
4 Band or stripe appears in vertical direction of the printed area. (Black Band, Color Band, Black
Stripe, Color Stripe) (Figure 7-2
D
)
• Are all LED head Assy parts properly connected to the relay PCB (S2H PWB) and engine PCB
(S2V PWB)?
NO Check the cable connection of the LED and the cable connection between
the relay PCB and engine PCB, then properly connect the cable between the
LED head and engine PCB.
• YES Replace the LED head.
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 engine PCB (S2V PWB).
Has the problem been corrected?
YES END
• NO Check the cable connection, then replace the , Engine PCB (S2V PWB).
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
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