Sharp SF-2314 Service Manual page 109

Error code
Item
Main Sub
SPFJAM Content
Detail
Cause
Remedy
5. Conditions for the JAM display
1) Paper feed section
9
(1) The JAM lamp lights up if
P
1.5 sec after CPFC1 ON.
(2) The JAM lamp lights up if
Q
about 1.1 sec after CPFC2 ON.
9
(3) The JAM lamp lights up if
H
1.1 sec after CSPPD ON.
9
(4) The Jam lamp lights up if
R
1.0 sec after MPFC ON.
4 5 6
3
2
1
Document misfeed trouble
1) When the document is in the SPF section, a misfeed of copy paper occurs.
1) The document detector in he SPF section remains ON or OFF.
2) The document detector in the SPF section and its input circuit (main PWB) trouble
3) The paper feed and transport clutches in the SPF section and its control circuit (main
PWB) trouble
4) SPF section paper feed roller and transport roller trouble
5) Document paper feed section and its transport drive system trouble (motor, gear, etc.)
6) Insufficient or excessive contact pressure between the SPF resist roller and the
document because of improper setting with simulation 51-7
Use simulation 2 to check the following items:
1) SPF section document detector
2) SPF section document detector and its input circuit (main PWB)
3) SPF section paper feed and transport clutches and their control circuit (main PWB)
4) SPF section paper feed roller, transport roller
5) Document paper feed and transport drive system (motor, gear, etc.)
6) Set value of simulation 51-7
PPD does not turn on within about
H
CSPPD does not turn on within
PPD does not turn on within about
PPD does not turn on within about
7
Description
2) Transport section
(1) The JAM lamp lights up if
M
3.2 sec after RRC ON.
(2) The JAM lamp lights up if
9
2.8 sec after PPD ON.
(3) The JAM lamp lights up if
M
2.4 sec after RRC ON.
9
8
11
10
9 – 7
Ref. page
8-11
9
PPD does not turn off within about
1
POD does not turn off within about
1
POD does not turn on within about
12 13 14
15
19
16
18
17