Minolta Di152 - Troubleshooting Procedures by Image Failure; Blank Copy

FrameMaker Ver.5.5E(PC) Di152/Di183 TROUBLESHOOTING
01.09.04
T-45
5-4. Troubleshooting Procedures by Image Failure
(1) Blank copy
Section Step Check Result Action
Output system 1 Imaging Unit is installed correctly. NO • Reinstall.
2 Connector between the Imaging
Unit and copier is dirty.
YES • Clean.
3 PH Shutter (located along the
laser path between the PH Unit
and PC Drum) is not in correct
position or malfunctions.
YES • Correct or reinstall.
4 PH Unit connectors PJ12A and
PJ13A are loose.
YES • Reconnect.
5 Image Transfer Roller Assy is
installed correctly.
NO • Reinstall.
6 Image transfer current contact is
dirty, broken, or bent.
YES • Clean, correct, or
change.
7 Developing bias contact is dirty,
broken, or bent.
YES • Clean, correct, or
change.
8 High Voltage Unit (HV1) connec-
tors CN1HV1 and CN2HV1 are
loose.
YES • Reconnect.
9 The following voltage is supplied
from the Master Board (copier:
PWB-A).
<Check Procedure>
Check voltage across a Master
Board pin and GND when the
Start key is pressed.
• Voltage across PJ8A-8 and
GND
DC14 V in standby state
DC0 V when Start key is
pressed
YES • Change IU.
• Change PH Unit.
• Change High Volt-
age Unit (HV1).
NO • Change Master
Board (copier:
PWB-A).
Input system 1 CCD Board (PWB-J) connector
JP7C is loose.
YES • Reconnect.
2 Control Board (copier: PWB-C)
connector PJ1A is loose.
YES • Reconnect.
NO • Change Control
Board (copier:
PWB-C).
• Change Master
Board (copier:
PWB-A).