13. Jam display
13.4.2
Misfeed at tray1 media feed section
A. Detection timing
Type
• The media blocks the registration sensor at a timing earlier than the predeter-
Detection of tray 1
• The distance between sheets of media is shorter than the specified value dur-
media feed section
• Media longer than Legal is used (one of media size errors).
B. Action
Main motor (M1)
Tray 1 media feed clutch (CL1)
Registration roller clutch (CL3)
Registration sensor (PS1)
Step
1
Initial check items
2
PS1 sensor check
3
CL1 operation check
4
CL3 operation check
5
M1 operation check
6
Change PRCB
154
mined time after it has been taken up from tray 1.
ing media feed from tray 1.
Relevant electrical parts
Action
Field Service Ver. 1.0 Nov. 2007
Description
Print control board (PRCB)
WIRING DIAGRAM
Control signal
⎯
PRCB P/J24-11 (ON)
PRCB P/J24-13 (ON)
PRCB P/J24-15 (ON)
DCPU P/J43-5 (ON)
⎯
Location (electri-
cal component)
⎯
P.193
P.193
P.193
P.188
⎯