2KR/2KS
1-4-6
Eject
section
51
Misfeed in job separa-
tor eject section
The job eject switch (JESW) does not turn on within speci-
fied time of the feedshift switch (FSSW) turning on.
1587 ms
The job eject switch (JESW) does not turn off within speci-
fied time of the feedshift switch (FSSW) turning off.
1587 ms
The job eject switch (JESW) does not turn off within speci-
fied time of the feedshift switch (FSSW) turning on.
1587 ms
Feedshift
section
52
Misfeed in feedshift
section
The feedshift switch (FSSW) does not turn on within speci-
fied time of the start of eject motor (EM) reverse rotation.
1196 ms
During paper switchback operation, the feedshift switch
(FSSW) does not turn off within specified time of the its
turning on.
2313 ms
The feedshift switch (FSSW) does not turn off within speci-
fied time of the registration switch (RSW) turning off.
2243 ms
The feedshift switch (FSSW) does not turn off within speci-
fied time of the registration clutch (RCL) turning on.
2243 ms
Duplex
section
60
Duplex paper convey-
ing section 1
The duplex paper conveying switch (DUPPCSW) does not
turn on within specified time of the feedshift switch (FSSW)
turning on.
2196 ms
The duplex paper conveying switch (DUPPCSW) does not
turn off within specified time of the feedshift switch (FSSW)
turning off.
2196 ms
61
Duplex paper convey-
ing section 2
The feed switch 1 (FSW1) does not turn on within specified
time of the duplex paper conveying switch (DUPPCSW)
turning on.
1543 ms
The feed switch 1 (FSW1) does not turn off within specified
time of the duplex paper conveying switch (DUPPCSW)
turning off.
1543 ms
DP
70
No original feed
The original feed switch (OFSW) does not turn on within
specified time during the first sheet feeding (Retry 5 times).
1159 ms
The original feed switch (OFSW) does not turn on within
specified time during the second sheet feeding (Retry 5
times).
1159 ms
During original tray ascent, the tray upper limit switch
(TULSW) does not turn on within specified time.
2 s
71
An original jam in the
original feed section
The original registration switch (ORSW) does not turn on
within specified time of the original feed switch (OFSW)
turning on.
1013 ms
72
An original jam in the
original conveying sec-
tion
DP timing switch 1 (DPTSW1) turns off within the specified
time since the switch turns on.
914 ms
Section
Description
Conditions
Specified time
Summary of Contents for TASKalfa 420i
Page 1: ...SERVICE MANUAL Published in May 2010 842KS113 2KSSM063 Rev 3 TASKalfa 420i TASKalfa 520i ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 14: ...2KR 2KS This page is intentionally left blank ...
Page 224: ...2KR 2KS 1 4 66 This page is intentionally left blank ...
Page 328: ...2KR 2KS 2 3 30 This page is intentionally left blank ...
Page 371: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 381: ...INSTALLATION GUIDE FOR 3000 SHEETS PAPER FEEDER ...
Page 436: ...INSTALLATION GUIDE FOR CENTER FOLDING UNIT ...
Page 450: ...INSTALLATION GUIDE FOR MAILBOX ...
Page 458: ...INSTALLATION GUIDE FOR HOLE PUNCH UNIT ...
Page 470: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 483: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 491: ...INSTALLATION GUIDE FOR FAX System ...
Page 507: ......
Page 508: ......