Check And Adjustment Of The Image Registration - Oce 3121 Technical & Service Manual

3 Check and adjustment of the image registration

For confirmation of the image registration we have the next adjustments.
the image read position in the sub scanning and main scanning direction
1
the LASER-write position in the sub scanning and main scanning direction.
2
The cassette position
3
the rear/front registration for the lower feeding assembly
4
1. The Image Read Position.
To adjust the CCD reading start position in the sub scanning direction
I
SDS *3*ADJUST 04 V-ADJ
A higher setting delays the registration ON timing.
To adjust the CCD reading start position in the main scanning direction.
I
SDS *3*ADJUST 04 H-ADJ
An increment shifts the read start position to the right.
2. The LASER-Write position.
Sub scanning direction: the leading edge marging
I
Check the leading edge margin. This margin must be 2.5 ±1.5mm
Adjustment: *3* ADJUST 04 RESIST
This adjustment adjusts the timing of the registration clutch.
4 TSM Océ 3121 Image quality