Konica Minolta bizhub 500 Service Manual page 490

Field Service Ver1.0 Feb.2006
10.3 Machine Adjust
10.3.1 Print Positioning: Leading Edge (Printer Area)
Adjusts the leading edge timing of the printer image.
This adjustment is used to change the restart timing of paper of the registration roller and adjust the relative
position in the sub scan direction of the image against the paper.
The adjustment can be made for each paper feed (each tray, bypass feed and ADU). And for the bypass feed, it
is possible to make an adjustment for each type of paper (plain paper, thick paper, thin paper, OHP, envelope
and label).
Note
• Be sure to complete the Paper Feed Direction Adj. (Printer Area) before starting this adjustment.
(See P.159)
A. Procedure
1.
"Service Mode screen"
Press [Machine].
2.
"Machine Adjust screen"
Press [Printer Area].
3.
"Printer Area screen"
Press [Print Positioning: Leading Edge].
4.
"Print Positioning: Leading Edge screen"
Select an item to adjust and then press [Test Copy].
Note
• When [Batch] is pressed, no test copy is available.
5.
"Test Copy screen"
With paper set in the tray selected, press the Start key to output the test pattern (No. 16).
When paper is fed from the bypass feed, set the corresponding type of paper. And then press the Start
key to output the test pattern (No. 16).
6. Press [END].
7.
Measure the leading edge timing with a scale.
Standard value [1]: 20 ± 0.5 mm
8. "Print Positioning: Leading Edge screen"
Enter a value through the [+]/[–] or numeric keys and press [Setting].
Setting range: – 12.8 (shorter) to + 12.7 mm (longer)
1 step = 0.1 mm
Press [Restore] to return to a value before change.
9.
Repeat steps 4 to 8 until it gets within the standard value.
10.
Press [END].
10. SERVICE MODE
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