Minolta Di183 Manuel de service télécharger pdf (Page 176)

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

01.09.04

T-56

(10) Uneven image density

Section Step Check Result Action

Output

system

1 PC Drum ground plate is dirty, scratchy,

deformed, worn, or damaged.

YES • Clean, correct, or

change.

2 PC Drum Charge Corona grid mesh and

Comb Electrode are dirty, scratchy,

deformed, worn, damaged, or loose.

YES • Clean, correct, or

change.

3 Image Transfer Roller is dirty, scratchy,

deformed, worn, or damaged.

YES • Clean or change.

4 Sleeve/Magnet Roller is dirty, scratchy,

deformed, worn, or damaged.

YES • Clean or change.

5 Toner is even on Sleeve/Magnet Roller. NO • Adjust DB.

For details, see DIS/

REASSEMBLY,

ADJUSTMENT.

6 Developer is not even in the Developer

Mixing Chamber of IU.

YES • Even out developer in

the Developer Mixing

Chamber.

NO • Change IU.

• 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 por-

tion 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

damaged.

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

contamination.

YES • Clean or change.

6 Exposure Lamp is abnormally lit (flickers

or abnormally dark) when the Power

Switch is turned ON.

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.

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Minolta Di183 Manuel de service Page 176

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