Rough Image; Traces Of Pc Drum Paper Separator Fingers; Void Areas Along Leading Edge - Minolta Di450 Service Manual

(13) Rough image

Section Step
1 Foreign matter and caked
toner inside Developing Unit
and DB.
2 Image Transfer Corona wire is
Engine
dirty or deteriorated.
3 Wiring between HV and Image
Transfer Corona is connected.
1 Wiring between CCD Assy
and Image Processing Board
IR
is connected.

(14) Traces of PC Drum Paper Separator Fingers

Section Step
1 Traces come from PC Drum
Paper Separator Fingers.
Engine

(15) Void areas along leading edge

Section Step
1 Image density along the lead-
ing edge is low.
Engine
<Paper Separator Corona Output Adjustment Procedure>
1. Press the Utility key.
2. Touch Meter Count.
3. Press the following keys in this order: Stop
4. Select Tech. Rep. Mode.
5. Press the following keys in this order: Stop
6. Select "Printer" of the Adjust mode.
7. Select "Separator Charge."
8. Select "1-side" or "2-side."
9. Press the Clear key and enter a value from the 10-Key Pad.
10. Use the Access key to change the + or – sign.
11. After the setting has been made, go back to the Basic screen.
Check Result
Check Result
Check Result
0
Start.
T-78
Action
YES Remove foreign matter and
caked toner. Change devel-
oper.
YES Clean or change.
YES Change HV.
NO Connect.
YES Change CCD Assy.
Change Image Processing
Board.
NO Connect.
Action
YES Adjust Paper Separator
Corona output: Change the
value to one 3 to 5 steps
greater than the current set-
ting. (See the adjustment pro-
cedure given below.)
Action
YES Adjust Paper Separator
Corona output: Change the
value to one 3 to 5 steps
greater than the current set-
ting. (See the adjustment pro-
cedure given below.)
0 Stop 0 1.