Status Message Troubleshooting - Oki OKIPAGE 8z Service Manual

6.5.2 Status Message Troubleshooting

Some failures cannot be corrected according to the status message trouble list. Troubleshoot these failures
according to the following troubleshooting flowcharts.
Caution:
When replacing the main control board troubleshooted according to the troubleshooting flowcharts, also
adjust EEPROM data.
(1) The OKIPAGE 8z malfunctions after the power supply has been turned on.
Turn the power supply off, then on again.
Is the LED lamp on?
No - Is the AC cable connected correctly?
No - Connect the AC cable correctly.
Yes - Is +5 V supplied between CN1 Pin 7 and CN1 Pin 13 of the high-voltage power supply board? (Pin
7: +5 V, Pin 13: 0 V)
No - Are the CN1 connectors of the high-voltage power supply board and main control board
connected correctly?
No - Connect the CN1 connectors correctly.
Yes - Is +5 V supplied between CN2 Pin 2 and CN2 Pin 3 of the main control board? (Pin 2: +5 V,
Pin 3: 0 V)
No - Replace the power supply board.
Yes - Replace the main control board.
Yes - Is 1-2 V voltage supplied between CN1 Pin 2 and CN1 Pin 13 of the high-voltage power supply
board?
No - Replace the main control board.
Yes - Replace the high-voltage power supply board.
Yes - Replace the main control board.
[JAM error]
(2)-1 paper input jam
Does a paper input jam occur when the power supply is turned on?
Yes - Is the jammed paper on paper sensor E?
Service Manual for OKIPAGE 8z
Chapter 6 Troubleshooting Procedures
Page: 60