Minolta Di183 Manuel de service télécharger pdf (Page 166)

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

01.09.04

T-46

(2) Black copy

Section Step Check Result Action

Output

system

1 PC Drum Charge Corona grid mesh and

Comb Electrode are loose.

YES • Reinstall.

2 PC Drum Charge Corona contact is dirty,

scratchy, folded, bent, or damaged.

YES • Correct or change.

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

change.

4 PC Drum ground contact is dirty,

scratchy, bent, or damaged.

YES • Clean, correct, or

change.

5 High Voltage Unit (HV1) connectors

CN1HV1 and CN2HV1 are loose.

YES • Reconnect.

6 PH Unit connectors PJ12A and PJ13A

are loose.

YES • Reconnect.

7 The following voltage is supplied from

the Master Board (copier: PWB-A).

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 Exposure Lamp turns ON when the

Power Switch is turned ON.

NO Go to step 3.

2 Exposure Lamp is abnormally lit (flickers

or abnormally dark) when the Power

Switch is turned ON.

NO Go to step 4.

3 Inverter Board (copier: PU2) connector

is loose.

YES Reconnect.

NO Change Exposure

Lamp.

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

loose.

YES Reconnect.

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

tor PJ1A is loose.

YES Reconnect.

6 The following voltage is supplied from

the Control Board (copier: PWB-C).

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

YES • Change Inverter

Board (PU2).

• Change CCD Unit.

NO • Change Control

Board (copier:

PWB-C).

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Minolta Di183 Manuel de service Page 166

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