Canon DADF-R1, Service Manual

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Chapter 5
5-22
4) Press the OK key.
5) Exit from the service mode.
6) Set either one A4 document or LTR document on
the document tray and execute copy.
7) Compare the document and the print image to
check that displacement of the leading edge
registration is 1 mm or less.
B. Document Tray Pickup (the 1st side)
1) Set either one A4 document or LTR document [1]
on the document tray and execute double-sided
copy.
F-5-86
2) For the subsequent procedure, follow 'A.
Document Tray Pickup (single side)'.
For the service mode, use the following item:
FEEDER > ADJSUT > DOCST
Measure the displacement of the 1st side (front side)
of the print image.
C. Document Tray Pickup (the 2nd side)
This procedure is the same as in the case of 'B.
Document Tray Pickup (the 1st side)'. For the service
mode, use the following item:
FEEDER > ADJSUT > DOCST-M
Measure the displacement of the 2nd side (back side)
of the print image.
5.3.2 Adjustment at Time of Parts
Replacement
5.3.2.1 Outline
0013-3850
T-5-9
Major parts Work
ADF controller
PCB 1) Replacement of the
EEPROM
EEPROM (memory
back-up) 2) Adjust the sensors
and the delivery motor
Reversal sensor
(S1)
Pre-registration
roller paper sensor
(S2)
Post-registration
roller paper sensor
(S3)
Separation paper
sensor (S4)
Skew paper sensor
(S5)
Original sensor (S6)
Original trailing
edge sensor (S7)
Manual feed
registration roller
paper sensor (S9)
Delivery motor
(M5)