Minolta Di551 Service Manual page 359

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.
Step
1 Enter the 36 mode.
[Adjustment mode menu Screen]
2
Press " Image adjustment".
2
[Image adjustment mode menu Screen]
3
Press " Timing adjustment".
3
[Timing adjustment mode menu
Screen]
4
Press " Printer restart timing adj".
1
[Printer restart timing adj. Screen]
Press any key of
5
.
LS185
6 Press the
COPY SCREEN
Select A3-size paper and press the START
7
button to output the test pattern (No.16).
Check the leading edge detection timing.
Specification: 20 mm +1.0 mm 0mm
8
If the specification is not satisfied, press the
9
C button while pressing the Utility button.
[Printer restart timing adjustment
Screen]
Enter a value with the numeric keys and
10
press the
SET
Setting range: -30 to +60
1 step=0.1mm
Repeat steps 5 to 10 until the specification
11
is satisfied.
Press the
RETURN
12
Timing adjustment mode menu Screen.
Operation
, , or
LS320 LS280
key.
key.
key to return to the
2. Printer registration loop adjustment
Adjusting the printer registration loop amount for
trays (tray 1, 2 and 3), by-pass tray, and ADU.
Step
Enter the 36 mode.
1
[Adjustment mode menu Screen]
2
Press "
2
[Image adjustment mode menu Screen]
3
Press "
3
[Timing adjustment mode menu
Screen]
4
Press "
2
[Printer regist loop adj Screen]
Press the
5
the item to be adjusted.
The screen changes from Tray to By-pass
tray to ADU.
6 Press the
7 Press the START button to make a copy.
8 Check the printer registration loop amount.
If the printer registration loop amount is not
appropriate, press the C button while
9
pressing the Utility button.
[Printer regist loop adj. Screen]
Enter a value with the numeric keys and
press the
• Tray (tray 1, 2, 3 and LCT)
Setting range: -5 to +5
1 step = 2 ms
10
• By-pass tray
Setting range: -10 to +10
1 step = 2 ms
• ADU
Setting range: -10 to +10
1 step = 2 ms
Repeat steps 5 to 10 until the printer regis-
11
tration loop amount is appropriate.
Press the
12
Timing adjustment mode menu Screen.
2-62
Operation
Image adjustment".
Timing adjustment".
Printer regist loop adjustment".
or key to select
NEXT BACK
key.
COPY SCREEN
key.
SET
key to return to the
RETURN