Service manual

ADJUSTMENT
2-61
2 ADJUSTMENT
1. Printer restart timing adjustment
This adjusts the printer restart timing (paper feed
timing). The adjustment is performed at line
speed of 320, 280 and 185 respectively.
2. Printer registration loop adjustment
Adjusting the printer registration loop amount for
trays (tray 1, 2 and 3), by-pass tray, and ADU.
Step Operation
1
Enter the 36 mode.
2
[Adjustment mode menu Screen]
Press " Image adjustment".
3
[Image adjustment mode menu
Screen]
Press " Timing adjustment".
4
[Timing adjustment mode menu
Screen]
Press " Printer restart timing adj".
5
[Printer restart timing adj. Screen]
Press any key of , , or
.
6
Press the key.
7
Select A3-size paper and press the
START button to output the test pattern
(No.16).
8
Check the leading edge detection timing.
Specification: 20mm+1.0mm 0mm
9
If the specification is not satisfied, press
the C button while pressing the Utility key.
10
[Printer restart timing adjustment
Screen]
Enter a value with the numeric keys and
press the key.
Setting range: -30 to +60
1 step=0.1mm
11
Repeat steps 5 to 10 until the specifica-
tion is satisfied.
12
Press the key to return to the
Timing adjustment mode menu Screen.
2
3
1
LS320
LS280
LS185
COPY SCREEN
20
SET
RETURN
Step Operation
1
Enter the 36 mode.
2
[Adjustment mode menu Screen]
Press " Image adjustment".
3
[Image adjustment mode menu
Screen]
Press " Timing adjustment".
4
[Timing adjustment mode menu
Screen]
Press " Printer regist loop adjust-
ment".
5
[Printer regist loop adj Screen]
Press the or key to
select the item to be adjusted.
The screen changes from Tray to By-
pass tray to ADU.
6
Press the key.
7
Press the START button to make a copy.
8
Check the printer registration loop
amount.
9
If the printer registration loop amount is
not appropriate, press the C button while
pressing the Utility key.
10
[Printer regist loop adj. Screen]
Enter a value with the numeric keys and
press the key.
• Tray (tray 1, 2, 3 and LCT)
Setting range: -5 to +5
1 step=2ms
• By-pass tray
Setting range: -10 to +10
1 step=2ms
•ADU
Setting range: -10 to +10
1 step=2ms
11
Repeat steps 5 to 10 until the printer reg-
istration loop amount is appropriate.
12
Press the key to return to the
Timing adjustment mode menu Screen.
2
3
2
NEXT BACK
COPY SCREEN
SET
RETURN