Minolta Di 152, Di 183 Trouble Blank

FrameMaker Ver.5.5E(PC) Di152/Di183 TROUBLESHOOTING

01.09.04

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.

3 PH Shutter (located along the

laser path between the PH Unit
and PC Drum) is not in correct
position or malfunctions.

4 PH Unit connectors PJ12A and

PJ13A are loose.

5 Image Transfer Roller Assy is

installed correctly.

6 Image transfer current contact is

dirty, broken, or bent.

7 Developing bias contact is dirty,

broken, or bent.

8 High Voltage Unit (HV1) connec-

tors CN1HV1 and CN2HV1 are
loose.

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

Input system 1 CCD Board (PWB-J) connector

JP7C is loose.

2 Control Board (copier: PWB-C)

connector PJ1A is loose.

YES • Clean.

YES • Correct or reinstall.

YES • Reconnect.

NO • Reinstall.

YES • Clean, correct, or

change.

YES • Clean, correct, or

change.

YES • Reconnect.

YES • Change IU.

• Change PH Unit.

• Change High Volt­age Unit (HV1).

NO • Change Master

Board (copier:
PWB-A).

YES • Reconnect.

YES • Reconnect.

NO • Change Control

Board (copier:
PWB-C).

• Change Master
Board (copier:
PWB-A).

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