<Operation Procedure>
1) Turn off the printer assembly.
2) Open the rear cover.
3) Set the DIP switches as follows: SW201-1: OFF, SW201-2: OFF, SW201-3: ON,
SW201-4: ON
4) Select one of the following two methods depending on the sensors or switches that
are to be checked.
a. Open the delivery cover and turn on the power.
Registration paper sensor (PS1)
Jam sensor (PS2)
Delivery assembly sensor (PS3)
b. Remove cassette 3 or cassette 4, and turn on the power.
Cassette 4 remaining paper sensor (PS1203, PS1204)
Cassette 4 sensor (PS1201)
Cassette 4 paper out sensor (PS1207)
Cassette 3 remaining paper sensor (PS1205, PS1206)
Cassette 3 sensor (PS1202)
Cassette 3 paper out sensor (PS1208)
Cassette size 3/4 detection switches (SW1601, SW1602, SW1603, SW1604)
5) Press the sensor levers or switches to check if the LED goes on or not.
Since it is not possible to check which sensor is malfunctioning when two sensor
levers are pressed, press one at a time. And do not touch the switches with bare
hands.
6) If an LED does not go on, this indicates that the corresponding switch or LED is mal-
functioning.
5-4
COPYRIGHT © 1999 CANON INC.
CANON 2
×
500 SHEET PAPER DECK-C1 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5 TROUBLESHOOTING
