Minolta Di183 Manuel de service télécharger pdf (Page 178)

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

01.09.04

T-58

(11) Gradation reproduction failure

Section Step Check Result Action

Output

system

1 PC Drum is dirty. YES • Clean.

2 Image Transfer Roller is dirty, scratchy,

deformed, worn, or damaged.

YES • Clean or change.

3 PH Unit connectors PJ12A and PJ13A are

loose.

YES • Reconnect.

4 PH window of PH Unit is dirty. YES • Clean.

5 ATDC Sensor (UN1) is dirty with foreign mat-

ter (such as paper dust) other than developer.

YES • Clean.

6 The following voltages develop from the

ATDC Sensor (UN1).

Check voltage across a Master Board pin and

GND when the Power Switch is turned ON.

• DC5.39 V to 8.15 V across PJ7A-8 and

GND

• DC1.41 V to 4.98 V across PJ7A-10 and

GND

NO • Change ATDC

Sensor (UN1) and

developer.

YES • Change Master

Board (copier:

PWB-A).

Input

system

1 Original Glass is dirty, scratchy, worn, or

damaged.

YES • Clean or change.

2 Shading sheet reading portion (the portion on

the backside of the Original Glass to which

Original Width Scale is affixed) is dirty.

YES • Clean.

3 Scanner mirrors are dirty, scratchy, or dam-

aged.

YES • Clean or change.

4 Exposure Lamp (LA2) is dirty. YES • Clean or change.

5 CCD Unit lens and CCD surface are dirty or

scratchy.

Remove lens cover to check for possible con-

tamination.

YES • Clean or change.

6 Exposure Lamp is abnormally lit (flickers or

abnormally dark) when the Start key is

pressed.

NO • Go to step 8.

7 Inverter Board (copier: PU2) connector

CN1PU2 is loose.

YES • Reconnect.

NO • Change Exposure

Lamp (LA2).

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

loose.

YES • Reconnect.

9 Control Board (copier: PWB-C) connector

PJ1A is loose.

YES • Reconnect.

NO • Change CCD Unit.

• Change Control

Board (copier:

PWB-C).

1 2 ... 173 174 175 176 177 178 179 180 181 182

Commentaires sur ces manuels

Pas de commentaire

Minolta Di183 Manuel de service Page 178

Commentaires sur ces manuels

Produits connexes et manuels pour Multifonctionnels Minolta Di183