Adj 5.3 Dadf Parallelism - Xerox DocuColor 2240 Service Manual

ADJ 5.3 DADF Parallelism

Purpose
Enable parallel Document placement and image scan.
Check
To avoid personal injury or shock, do not perform repair or adjustment activities with
the power switch on or electrical power applied to the machine.
1. Remove Front Cover. (PL 20.1)
2. Remove Entrance Tray. (PL 20.1)
3. Remove the Document Transport.
4. Check DADF Parallelism.
a. Manually hold down the DADF.
b. Check that the distance between the DADF Rear Frame and the Rear Registration
Edge is 20 ±1 mm
(Figure 1).
c. Perform the same check at the left end of the DADF.
If 20 ±1 mm is not measured in each check, or the measurements are different, go to
the adjustment.
Otherwise DADF Parallelism is good.
DADF Rear Frame
20 mm
Figure 1 Checking DADF Parallelism
Repairs and Adjustments
ADJ 5.3
WARNING
(REP 5.17)
Rear
Registration
Edge
Right End
of DADF
Scale
Adjustment
The DADF Parallelism must be made within ±1mm of the specified range.
When removing the Rear Cover, disconnect LED Connector on DADF PWB.
1. Remove Rear Cover (REP 5.18).
2. Adjust DADF Parallelism (Figure
1
Loosen
Screws (4)
DADF Moves
to Front
Figure 2 Adjusting DADF Parallelism
3. Adjust Left Counterbalance if required.
4. Repeat the check.
09/03
4-154
CAUTION
CAUTION
2).
3
Adjust Screw
DADF Moves
to Rear
2
Loosen
Screws (2)
DC 3535/2240/1632, WC M24
4
Tighten
Screws (6)
Initial issue