Minolta Di551 Service Manual page 360

3. Printer pre-registration amount adjust-
ment
Adjusting the pre-registration loop amount for
trays 1, 2, 3, LCT and ADU.
Step Operation
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 pre-registration adjust-
3
ment".
[Printer pre-regist adj. Screen]
Press the
NEXT
5
the item to be adjusted.
The screen changes from Tray 1 to Tray 2
to Tray 3 to LCT to ADU.
6
Press the
COPY SCREEN
Press the START button to make a copy.
7
Check the printer pre-registration loop
8
amount.
If the printer pre-registration loop amount is
not appropriate, press the C button while
9
pressing the Utility button.
[Printer pre-regist adj. Screen]
Enter a value with the numeric keys and
press the
SET
• Tray (tray 1, 2, 3 and LCT
10
Setting range: -5 to +5
1 step = 2 ms
• ADU
Setting range: -10 to +10
1 step = 2 ms
Repeat steps 5 to 10 until the printer pre-
11
registration loop amount is appropriate.
Press the
RETURN
12
Timing adjustment mode menu Screen.
or key to select
BACK
key.
key.
key to return to the
2-63
4. Printer leading edge timing adjustment
Adjusting the printer leading edge timing (image
erasure amount).
Step Operation
Enter the 36 mode.
1
[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 lead edge timing adjust-
4
ment".
[Printer lead edge timing adjustment
Screen]
5
Press the
COPY SCREEN
Select A3 size paper, place a scale on the
platen glass so that it leading edge is
6
aligned Original stopper plate left, and
press the START button.
Check the printer leading edge erasure
amount.
Specification: Within 3mm
7
If the printer leading edge erasure amount
is not appropriate, press the C button while
8
pressing the Utility button.
[Printer lead edge timing adjustment
Screen]
Enter a value with the numeric keys and
9
press the
SET
Setting range: -20 to +40
1 step = 0.1 mm
Repeat steps 5 to 10 until the printer lead-
10 ing edge erasure amount is within specifi-
cation.
Press the
RETURN
11
Timing adjustment mode menu Screen.
ADJUSTMENT
key.
within 3 mm
key.
key to return to the