Konica Minolta bizhub PRO 1050 Service Manual page 362

10. SERVICE MODE
B. Printer drum clock adjustment (Side 1)
Adjust the magnification of the sub scan direction on
only side 1 of the printer system.
This adjustment changes the line speed of the drum
and the registration roller on side 1 evenly.
Info HJG: Maßstab in FD der Seite 1
(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 [02 Magnification Adjustment] key on
the sub menu.
4.
"Magnification adjustment mode menu screen"
Press the [02 Printer Drum Clock Adjustment
<SIDE1>] key.
5.
"Printer Drum Clock Adjustment <SIDE1>
screen"
Press the [COPY] key.
6. Set A3 or 11 x 17 paper (130 g/m
Bond) in the tray. Press the Start button to out-
put the test pattern (No.16).
7. Measure the magnification of the sub scan
direction with a scale.
• Standard value:± 0.5% or less (When in life-size)
Within 205.7 ± 1 mm
8. When the value is not within the standard value,
press the [SERVICE] key.
9.
"Printer Drum Clock Adjustment <SIDE1>
screen"
Enter a numeric value through the numeric keys
and press the [Set] key.
• Setting range:-10 (short) to +10 (long)
1 step = 0.05%
10. Repeat steps 5 to 9 until the standard value
can be obtained.
330
2
or 35 lb
205.7 1
1050fs3002c
Field Service Ver3.0 Nov.2006
C. Printer drum clock adjustment (Side 2)
Adjust the magnification of the sub scan direction on
only side 2 of the printer system.
This adjustment changes the line speed of the drum
and the registration roller on side 2 evenly.
Info HJG: Maßstab in FD der Seite 2
(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 [02 Magnification Adjustment] key on
the sub menu.
4.
"Magnification adjustment mode menu screen"
Press the [03 Printer Drum Clock Adjustment
<SIDE2>] key.
5.
"Printer Drum Clock Adjustment <SIDE2> screen"
Tray can be adjusted by each (tray /1 to /5).
Press the [Next] or the [Back] key to select the
item you adjust, and press the [COPY] key.
6.
Set A3 or 11 x 17 paper (130 g/m
Bond) in the tray. Press the Start button to out-
put the test pattern (No.16).
7.
Measure the magnification of the sub scan
direction with a scale.
• Standard value:± 0.5% or less (When in life-size)
Within 205.7 ± 1 mm
205.7 1
8.
When the value is not within the standard value,
press the [SERVICE] key.
9.
"Printer Drum Clock Adjustment <SIDE2> screen"
Enter a numeric value through the numeric keys
and press the [Set] key.
• Setting range:-10 (short) to 0 (long)
1 step = 0.05%
10. Repeat steps 5 to 9 until the standard value
can be obtained.
2
or 35 lb
1050fs3003c