Printer Regist Loop Adjustment (Timing Adjustment) - Konica Minolta bizhub PRO 920 Service Manual

10. TECH. REP. MODE
10.3.8

Printer regist loop adjustment (timing adjustment)

Adjust the paper loop amount in the registration roller section to remove paper skew and wrinkle, or paper jam-
ming in the registration section.
A. Procedure
1.
Enter the Tech. Rep. mode.
2.
"Tech. Rep. mode menu screen"
Press the [Machine Adjust] key.
3.
A sub menu appears on the right side of the screen.
Press the [Timing Adjustment] key on the sub menu.
4. "Timing adjustment mode menu screen"
Press the [Printer Regist Loop Adjust] key.
5.
"Printer regist loop adj. screen"
Press the [Next] or the [Back] key to select the item you adjust, and press the [Test Copy] key.
The item changes as follows:
Tray Side1 → Bypass Side1 → Side2 LS460 → Side2 LS290 → Tray Side1 Thick → Bypass Side1 Thick
→ Side2 Thick LS460 → Side2 Thick LS290
6. Set the copy according to the item that has been adjusted and press the Start button to output a test pat-
tern (No. 16).
7.
When the trouble is not solved, press the [Adjustment] key.
8.
"Printer regist loop adj. screen"
Enter a value through the numeric keys and press the [Set] key.
Setting range: -10 (smaller) to +10 (larger) 1 step = 1ms
(The setting range for the Tray Side1 and Tray Side1 Thick is: -5 to +5.)
9.
Repeat the steps 5 to 8 until an appropriate value is obtained.
290
Field Service Ver2.0 Aug.2005