Minolta Di 152, Di 183 Trouble Black

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

01.09.04

(2) Black copy

Section Step Check Result Action
Output

system

Input
system

1 PC Drum Charge Corona grid mesh and

Comb Electrode are loose.

2 PC Drum Charge Corona contact is dirty,

scratchy, folded, bent, or damaged.

3 Grid bias contact is dirty, folded, or bent. YES • Clean, correct, or

4 PC Drum ground contact is dirty,

scratchy, bent, or damaged.

5 High Voltage Unit (HV1) connectors

CN1HV1 and CN2HV1 are loose.

6 PH Unit connectors PJ12A and PJ13A

are loose.

7 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

1 Exposure Lamp turns ON when the

Power Switch is turned ON.

2 Exposure Lamp is abnormally lit (flickers

or abnormally dark) when the Power
Switch is turned ON.

3 Inverter Board (copier: PU2) connector

is loose.

4 CCD Board (copier: PWB-J) connector is

loose.

5 Control Board (copier: PWB-C) connec-

tor PJ1A is loose.

6 The following voltage is supplied from

the Control Board (copier: PWB-C).
<Check Procedure>
Check voltage across a Control Board
(copier: PWB-C) pin and GND when the
Power Switch is turned ON.

• Voltage across JP16C-4 and GND
DC24 V when Exposure Lamp (LA2) is
OFF
DC0 V when Exposure Lamp (LA2) is
ON

YES • Reinstall.

YES • Correct or change.

change.

YES • Clean, correct, or

change.

YES • Reconnect.

YES • Reconnect.

YES • Change IU.

• Change PH Unit.

• Change High Volt­age Unit (HV1).

NO • Change Master

Board (copier:
PWB-A).

NO Go to step 3.

NO Go to step 4.

YES Reconnect.

NO Change Exposure

Lamp.

YES Reconnect.

YES Reconnect.

YES • Change Inverter

Board (PU2).

• Change CCD Unit.

NO • Change Control

Board (copier:
PWB-C).

T-46