7-50 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONSSensorPS 23PS 24PS 25PS 26PS 27PS 28PS 29PS 30PS 31PS 32NameCassette 1paper sensorCassette 1 liftersensorPick-up verticalpath 2 sensorPick-up verticalpath 3 sensorCassette 2 liftersensorCassette 2paper sensorDuplexing unitstackingguidehomeposition sensorHolding traypaper sensor 1Holding traypaper sensor 2Delivery verticalpath sensor 2Meter probe (+)Service modeJ2222B-7801004 bit 0J2222B-8801005 bit 4J2222B-9801000 bit 2J2222B-12801000 bit 3J2222B-10801004 bit 1J2222B-11801005 bit 5J2224B-8801004 bit 6J2224A-5801002 bit 0J2224A-8801005 bit 7J2211A-9801001 bit 4ChecksDuring standby, slide out the cassette 1.• ‘1’ when the cassette is slid in with paper.• ‘0’ when the cassette is slid in without paper.During standby, slide out the cassette 1.• ‘1’ when the cassette is slid out.• ‘0’ when the cassette is slid in.• ‘1’ when paper is present over the pick-upvertical path 2 sensor.• ‘0’ when absent.• ‘1’ when paper is present over the pick-upvertical path 3 sensor.• ‘0’ when absent.During standby,• ‘1’ when the cassette 2 is slid out.• ‘0’ when the cassette 2 is slid in.During standby,• ‘1’ when the cassette 2 is slid in with paper.• ‘0’ when the cassette 2 is slid in without paper.During standby, slide out the duplexing unit, andremove the front cover.• ‘1’ when the duplexing unit is slid in and thelight-blocking plate is over the sensor.• ‘0’ otherwise.During standby,• ‘0’ when paper is put over the holding traypaper sensor 1.• ‘1’ otherwise.During standby,• ‘0’ when paper is put over the holding traypaper sensor 2.• ‘1’ otherwise.• ‘1’ when paper is present over the deliveryvertical path sensor 2.• ‘0’ when absent.
