Oki OKIPAGE 8c Plus Maintenance Manual page 134

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Void print out
• Is each LED head assembly connected to the junction board (PD6 PCB) correctly?
No Check whether or not the connection of the cables or connect the LED assembly to the
junction board (PD6 PCB) correctly.
• Yes Is +3.3V on the following pins of the HEADPOW connector of the junction board (PD6 PCB)
being supplied?
+3.3V: Pin 1, 2, 3, 4, 5, 6
• Yes Is +3.3V on the following pins of the cable connector between the junction board (PD6 PCB)
and each LED head assembly being supllied?
Pins 1, 2, 3, 4, 5 and 6 of the YPOW connector for the yellow LED head assembly
Pins 1, 2, 3, 4, 5 and 6 of the MPOW connector for the magenta LED head assembly
Pins 1, 2, 3, 4, 5 and 6 of the CPOW connector for the cyan LED head assembly
Pins 1, 2, 3, 4, 5 and 6 of the BPOW connector for the black LED head assembly
No Replace the junction board (PD6 PCB).
• Yes Check the connection of the cables or replace the LED head assembly.
• No Is +3.3V on the following pins of the HEADPOW connector of the engine board (PX4 PCB)
being supplied?
+3.3V: Pin 1, 2, 3, 4, 5, 6
Yes Replace the HEADPOW cable.
• No Is +3.3V on the following pins of the POWER connector of the engine board (PX4 PCB)
being supplied?
+3.3V: Pin 15, 16, 17, 18
Yes Replace the engine board.
• No Check the connection of the cables or replace the low-voltage power supply. Is the
problem recovered?
Yes End
• No Is +32V on the power connector of the engine board (PX4 PCB) being supplied?
+32V: Pin 7, 8, 9, 10
No Check the connection of the cables or replace the low-voltage power supply.
• Yes Is +32V on pin 2 of the HVOLT connector of the engine board (PX4 PCB) being supplied?
No Replace the engine board.
• Yes Check the connection of the cables or replace the high-voltage power supply or belt cassette
assembly. Recovered?
Yes End
A
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