M. Detecting Jams
1. Outline
As many as seven paper sensors (Figure 3-655) are used to check whether copy paper is moving prop-
erly or to check for jams.
The microprocessor on the DC controller PCB runs checks at such times as programmed in advance
in reference to the presence/absence of paper at specific sensors. When it detects a jam, it will turn OFF
the main motor and indicate the Jam message on the control panel.
COPYRIGHT © 1996 CANON INC. CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
3–130
3. OPERATIONS AND TIMING
Figure 3-655
*Jack in the signal line on the DC controller PCB.
Table 3-614
PS12
PS7
PS5
PS11
PS13
PS4
PS8
Sensor
Signal
Jack*
PS4
Multifeeder paper sensor
MFPD*
J113-A11
PS5
Pre-registration paper sensor
PDP 1
113-A5
PS7
Fixing rear paper sensor
PDP 3
J109-6
PS8
Vertical path paper sensor
PDP 4
J113-A2
PS11
Re-pick up front paper sensor
PDP 5*
J103-2
PS12
Lower feeding assembly inlet sensor
PDP 6*
J105-B2
PS13
Delivery assembly paper sensor
PDP 7*
J105-A2
