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<<Lead edge image loss adjustment procedure>>
1
Place a scale on the center of the document table and attach it
with adhesive tape.
2
Turn off the power and remove the sensor cover in the paper exit
side.
3
Short JP-210 and JP211 on the main PWB, and turn on the
power.
Sensor cover
JP210
VR202
4
When the misfeed indicator blinks, turn VR202 more than 2 steps
so the misfeed indicator stays on constantly, and perform the
adjustment.
5
Press the copy exposure key.
6
Make a copy.
Check the copy to be in the specified range (1 ∼ 5mm).
7
10
20
Adjustment range
When the adjustment value is outside the specified range, repeat the
procedure from (4).
JP202
50
30
40
2. Exposure adjustment
The exposure adjustment is required in the following cases:
•
When replacing the drum unit.
•
When replacing the main PWB.
•
When replacing the EEPROM.
•
When replacing the copy lamp PWB.
•
When replacing the AE sensor.
@
When performing the exposure adjustment, set the auto exposure
correction mode to the standard mode. For the procedure, refer to
[2] OPERATION PANEL AND DISPLAY FUNCTIONS, 3. Display
section.
@
When performing the exposure adjustment, clean the AE sensor
light receiving section and the reflector.
The simulation for the exposure adjustment is the same simulation for
the lead edge adjustment. Refer to the flowchart of the lead edge
adjustment.
<<Adjustment procedure>>
1
Set the test chart on the document table.
•
Fold an A4 paper into two, and set two folded A4 papers on the
AE sensor section. Place the UKOG-0162FCZZ on the copy
section.
1
2
3
4
UKOG-0162FCZZ
Test chart comparison table
UKOG-0162FCZZ
1
DENSITY No.
UKOG-0089CSZZ
0.1
DENSITY No.
KODA GRAY
SCALE
White paper
– 28 –
5
6
7
8
9
2
3
4
5
6
7
8
9
0.2
0.3
0.5 1.9 0
1
2
3
4
AE sensor
Original table
(Lead edge)
Test chart
10
W
10 W
19 A
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