Canon GP405 Service Manual page 181

Table 7-106 shows the relationship between paper levels and sensor states and the indications
on the control panel.
The absence of paper is detected by the cassette paper sensor.
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Q1606
(upper cassette)
Level
Q1608
(lower cassette)
500 sheets
0
1
1
0 0
1: The light-blocking plate is over the sensor.
0: The light-blocking plate is not over the sensor.
Table 7-106
CHAPTER 7 PICK-UP/FEEDING SYSTEM
Q1607
Indication
Q1609
0
0
1
1
7-19