CHAPTER 10 TROUBLESHOOTING

20. The pick-up operation fails (from cassette).

Cause

Step

Checks

Results

Action

 

 

 

 

 

Paper (inside

1

Is the paper inside the cassette

NO

Advise the user on the

cassette)

 

under the claws?

 

correct method of setting

 

 

 

 

paper.

 

 

 

 

 

Cassette

2

Slide out and then in the cassette.

YES

End.

 

 

Is the problem corrected?

 

• Advise the user on

 

 

 

 

the correct way to set

 

 

 

 

the cassette.

 

 

 

 

 

Pick-up clutch

3

Does the pick-up roller rotate after

NO

Check the wiring from

(CL2)

 

the copy Start key is pressed?

 

the connector (J303) on

 

 

 

 

the DC controller PCB

 

 

 

 

and the pick-up clutch; if

 

 

 

 

normal, replace the

 

 

 

 

clutch.

 

 

 

 

 

Pick-up roller,

4

Is the life of the pick-up roller or

YES

Replace the pick-up

pick-up

 

the pick-up separation pad at its

 

roller or the pick-up

separation pad

 

limit?

 

separation pad.

 

 

 

 

 

DC controller

5

Replace the DC controller PCB. Is

YES

End.

PCB

 

the problem corrected?

 

 

 

 

 

 

 

21. The pick-up operation from the multifeeder fails.

Cause

Step

Checks

Results

Action

 

 

 

 

 

Multifeeder

1

Select the multifeeder, and press

NO

Check the wiring; if

pick-up clutch

 

the copy Start key. Does the

 

normal, replace CL3.

(CL3)

 

multifeeder pick-up roller rotate?

 

 

 

 

 

 

 

Paper guide

2

Does the paper guide plate spring

YES

Check the position of the

plate cam

 

up when the Copy Start key is

 

paper guide plate cam

 

 

pressed?

 

and separation pad; as

 

 

 

 

necessary, adjust or

 

 

 

 

replace.

 

 

 

 

 

Multifeeder

3

Connect the (+) probe of the

YES

Check the wiring; if

pick-up

 

meter to J306-11 on the DC

 

normal, replace SL2.

solenoid (SL2)

 

controller PCB. Does the voltage

 

 

 

 

change from about 24 V to about

 

 

DC controller

 

NO

Replace the DC

 

0 V when the Copy Start key is

PCB

 

 

controller.

 

pressed?

 

 

 

 

 

 

 

 

 

 

COPYRIGHT © 1997 CANON INC.

CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

10-73

Page 337
Image 337
Canon FY8-13EX-000, NP6218 Pick-up operation fails from cassette, Pick-up operation from the multifeeder fails, 10-73