Canon A-1, Service Manual

Page: 28 / 86

Chapter 2
2-8
2.3.3 Stationary Jam
0007-6142
The machine will identify a stationary jam if any of the following sensors does not go off within a specific period of
time after it has gone on.
The following sensors are used to check for jams:
T-2-3
2.3.4
Stationary Jam and Cover Open Jam at Power-On
0007-6143
The machine uses various sensors to check for residual paper when the power is turned on or when its cover is
opened. The presence of paper will cause the machine to assume the presence of a jam.
The following shows the sensors used to check for stationary jams and cover open jams when the power is turned on:
T-2-4
Notation Name
PS14 No. 1 delivery sensor (host machine)
PS1A No. 2 delivery sensor
PS3A Duplex inlet sensor
PS4A Reversal sensor
PS5A No. 3 delivery sensor
Notation Name
PS14 No. 1 delivery sensor (host machine)
PS1A No. 2 delivery sensor
PS3A Duplex inlet sensor
PS4A Reversal sensor
PS5A No. 3 delivery sensor