3–16OPERATIONS AND TIMINGCOPYRIGHT © 1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)G. Inputs to and Outputs from the Cassette Feeding Unit-K1Driver PCB1. Inputs to and Outputs from the Cassette Feeding Unit-K1 Driver PCB (1/3)Figure 3-1165VJ 110- 1- 3- 2J 110- 4- 6- 5J 120- 13- 15- 14J 120- 10- 12- 11J 120- 1- 3- 2J 130- 1- 3- 2J 130- 4- 6- 5PS1cu C3VPDCassette 3 verticalpath detection5VPS2cu C3PD*Cassette 3 paperdetectionWhen '1', paper is present at the sensor.(the light-blocking plate is at the sensor)When paper is present in the cassette, '1'.(the light-blocking plate is at the sensor)5VPS3cu C4VPD5VPS4cu C4/5PDWhen '1', paper is present at the sensor.(the light-blocking plate is at the sensor)C5VPD When '1', paper is present at the sensor.(the light-blocking plate is at the sensor)When paper is present in the cassette, '1'.(the light-blocking plate is at the sensor)5VPS5cu CRDOP* When the right door is open, '1'.(the light-blocking plate is not at the sensor)PS6cu5VPS7cuCassette feeding unit driver PCBCassette 4 verticalpath detectionCassette 4 paperdetectionCassette 5 verticalpath detectionCassette 5 paperdetectionDC controller PCBRight door detectionDownload service manual and resetter printer at http://printer1.blogspot.com
