Utax AK 740, Service Manual

Page: 62 / 207

3N0/3NK/3PD/3PG
1-4-17
(4) Electrical parts that could cause paper jam at the DF paper entry,feedshift and
subtray left eject part
Timing of detection
Corrective Action
Jam code
J610x,J611x,J620x,J621x,J630x,J631x
Related parts
DF paper entry motor (DFPEM) DF feedshift solenoid 3 (DFFSSOL)
DF middle motor (DFMM) DP main PWB (DFMPWB)
DF eject motor (DFEM)
BR conveying motor (BRCM)
DF paper entry sensor (DFPES)
DF middle sensor (DFMES)
DF sub eject sensor (DFSES)
Checking
procedure at the
occurrence of
J61XX
Corrective action at the occurrence of
J61XX On/Off control signal output connector
(terminal), point of checking connection
1 Items for Initial Checks see page 1-4-7
2
DF paper entry sensor (DFPES) :
Conduct connectivity check, mounting
location check, operation check
(U241:Finisher HP)
DF main PWB YC21-9
3
DF feedshift solenoid 3 (DFFSSOL):
Check to see the feedshift guide 3 is
switchable (U240: Solenoied - Subtray)
DF main PWB YC18-12,13
4
DF paper entry motor (DFPEM) :
Operation check (U240: Motor
→
Feed
In(H),Feed In(L))
DF main PWB YC12-13 to 16
5
BR conveying motor (BRCM) : Operation
check (U030: Bridge)
6
DF main PWB(DFMPWB) : Replace