Konica Minolta bizhub PRO 1050 Service Manual page 374

10. SERVICE MODE
3. A sub menu appears on the right side of the
screen.
Press the [07 ADF Adjustment] key on the sub
menu.
4. "ADF adjustment mode menu screen"
Press the [02 ADF Original Size Adjustment]
key.
5.
"ADF original size adj. (A4 or 8.5 x 11) 1/2
screen"
Set A4 paper (for metric machine) or 8.5 x 11
paper (for inch machine) on the ADF and press
the [Start] key.
6. Confirm the message of completion, press the
[Next] key.
7.
"ADF original size adj. (A5R or 5.5 x 8.5R) 2/2
screen"
Set A5R paper (for metric machine) or 5.5 x
8.5R paper (for inch machine) on the ADF and
press the [Start] key.
8. Confirm the message of completion, press the
[COPY] key.
9.
Make sure the ADF original size is properly
detected.
C. ADF sensor sensitivity adjustment
Conduct this adjustment when a malfunction (JAM
display does not disappear despite no paper JAM)
occurs in the reflective type sensors.
Info HJG: ADF Sensorempfindlichkeit
Preparation:
• Clean each of the ADF reflective sensors.
(1) Procedure
1. Enter the service mode.
2. "Service mode menu screen"
Press the [01 Machine Adjustment] key.
3.
A sub menu appears on the right side of the
screen.
Press the [07 ADF Adjustment] key on the sub
menu.
4.
"ADF adjustment mode menu screen"
Press the [03 ADF Sensor Sensitivity Adjust-
ment] key.
342
Field Service Ver3.0 Nov.2006
5. "ADF sensor sensitivity adjustment screen"
Press the [Start] key.
The ADF sensor sensitivity is automatically
adjusted, and the message of completion
appears.
6.
Press the [COPY] key to check to see if there is
any malfunction.
7.
When malfunction is found, press the [SERV-
ICE] key to repeat steps 5 and 6.
D. ADF incline offset adjustment
Adjust image skew in the ADF scanning mode.
This adjustment is reflected on the skew adjustment
control in ADF scanning mode.
Info HJG: ADF Schrägeinzug
(1) Procedure
1.
Enter the service mode.
2.
"Service mode menu screen"
Press the [01 Machine Adjustment] key.
3. A sub menu appears on the right side of the
screen.
Press the [07 ADF Adjustment] key on the sub
menu.
4. "ADF adjustment mode menu screen"
Press the [04 ADF Incline Offset Adjustment]
key.
5.
"ADF Incline offset adjustment screen"
Press the [COPY] key.
6. Set the "adjustment chart" on the ADF and
press the Start button.
7.
Measure the image skew with a scale.
• Standard value:within ± 0.5%
Difference between a and b is 2.1mm or less
8. When the value is not within the standard value,
press the [SERVICE] key.
1050fs3026c