Service manual

2DA/2DB
1-6-16
(10) Adjustment after roller and clutch replacement
Perform the following adjustment after refitting rollers and clutches.
(10-1) Adjusting the leading edge registration of image printing
Make the following adjustment if there is a regular error between the leading edges of the copy image and original.
U034
U066
(P. 1-6-35)
U071
(P. 1-4-17)
Caution:
Check the copy image after the adjustment. If the image is still incorrect, perform the above adjustments in maintenance
mode.
Procedure
Correct image Output
example 1
Output
example 2
Leading edge registration
Figure 1-6-31
Yes
No
Start
Enter maintenance mode.
Enter “034” using the numeric keys.
Press the start key.
Press the interrupt key.
Is the leading edge
registration correct?
Press the start key
The new setting is stored
Press the stop/clear key to exit
maintenance mode.
End
Select the items to be adjusted
using the up/down cursor keys.
For output example 1, decrease
the value using the left cursor
key.
For output example 2, increase
the value using the right cursor
key.
Setting range (Initial setting)
RCL ON: –5.0 – +10.0 (0.9)
RCL BYP: –5.0 – +10.0 (1.2)
RCL T1: –5.0 – +10.0 (1.3)
RCL T2: –5.0 – +10.0 (1.3)
RCL T3: –5.0 – +10.0 (1.3)
RCL DUP: –5.0 – +10.0 (1.0)
Changing the value by 1 moves the
leading edge by 0.1 mm.
Press the start key.
Select the “ADJ. RCL ON TIMING”
using the up/down cursor keys.
Press the start key
to output a test pattern.
RCL ON: Drawer
RCL BYP: Bypass tray
RCL T1: Optional first paper feeder (standard for 20 ppm model)
RCL T2: Optional second paper feeder
RCL T3: Optional third paper feeder
RCL DUP: Duplex copying (second face)