Konica Minolta BIZHUB 501 Service Manual page 216

Field Service Ver.2.0 Mar. 2009
B. Fixing motor clock
Makes appropriate a paper feed loop amount between the registration roller and the fusing roller to prevent the
transfer slippage at the position about 26 mm from the trailing edge of the transfer paper.
The adjustment can be made for each type of paper (normal paper, OHP, thick paper, envelope, label, custom
paper and user paper).
Note
• This adjustment checks copy image to see if there occurs no transfer jitter. When it is difficult to
check transfer jitter at copy image, be sure to set "1" for DipSW37-2 before adjustment. By this
setting, test pattern will be printed.
• Printer magnification in the paper through direction: The adjustment of the printer should have
been completed.
• For thin paper, the setting of normal paper is applicable.
(1) Procedure
1.
"Service Mode screen"
Press [Machine].
2.
"Machine Adjust screen"
Press [Printer Area].
3.
"Printer Area screen"
Press [Paper Feed Direction Adj.]
4. "Paper Feed Direction Adj. screen"
Press [Fixing Motor Clock].
5.
Select an item for the type of paper and press [Test Copy].
6. "Test Copy screen"
• Place the original onto the original glass.
• Set A3 (for metric) or 11 x 17 (for inch) paper that is the type of paper selected. With the print count set at
5, press the Start key.
7.
Press [END].
8.
Check all of the 5 output sheets; copy or print, of
paper to see if there occurs no transfer jitter.
9.
"Paper Feed Direction Adj. screen"
Enter a value through the [+]/[–] or numeric keys and press [Setting].
Setting range (normal paper): – 5.0 (smaller) to + 5.0 % (larger)
Setting range (user paper): – 0.5 (smaller) to + 0.5 % (larger)
Setting range (other than the above): – 2.0 (smaller) to + 2.0 % (larger)
1 step = 0.1 %
Press [Restore] to return to the value before change.
10.
Repeat steps 4 to 9 until it gets within the standard value.
11.
Press [END].
(See P.178)
10. SERVICE MODE
Approx.26mm
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