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2KN/2KP
1-4-7
Duplex
section
63
Misfeed in duplex registra-
tion section
Switchback exit switch (SBESW) does not turn off within spec-
ified time (2000 ms for 82 cpm/2573 ms for 62 cpm) of its turn-
ing on.
Duplex feed switch (DUPFSW) does not turn on within speci-
fied time (1136 ms for 82 cpm/1462 ms for 62 cpm) of exit
switch (ESW) turning on.
Switchback exit switch (SBESW) does not turn on within spec-
ified time (864 ms for 82 cpm/1111 ms for 62 cpm) of duplex
feed switch (DUPFSW) turning on.
64
Misfeed in duplex convey-
ing section 1
Duplex conveying switch 1 (DUPCSW1) does not turn on
within specified time (750 ms for 82 cpm/1000 ms for 62 cpm)
of duplex feed switch (DUPFSW) turning on.
Duplex conveying switch 1 (DUPCSW1) does not turn off
within specified time (750 ms for 82 cpm/1000 ms for 62 cpm)
of duplex feed switch (DUPFSW) turning off.
65
Misfeed in duplex convey-
ing section 2
Duplex conveying switch 2 (DUPCSW2) does not turn on
within specified time (750 ms for 82 cpm/1000 ms for 62 cpm)
of duplex conveying switch 1 (DUPCSW1) turning on.
Duplex conveying switch 2 (DUPCSW2) does not turn off
within specified time <780 ms (570 ms) for 82 cpm/1000 ms
(570 ms) for 62 cpm> of duplex conveying switch 1
(DUPCSW1) turning off.
66
Misfeed in duplex convey-
ing section 3
Duplex conveying switch 3 (DUPCSW3) does not turn on
within specified time (750 ms for 82 cpm/1000 ms for 62 cpm)
of duplex conveying switch 2 (DUPCSW2) turning on.
Duplex conveying switch 3 (DUPCSW3) does not turn off
within specified time (750 ms for 82 cpm/1000 ms for 62 cpm)
of duplex conveying switch 2 (DUPCSW2) turning off.
DP section
70
No original feed
The original feed switch (OFSW) does not turn on within 3792
pulse during the second sheet feeding.
71
An original jam in the orig-
inal feed/conveying sec-
tion 1
DP timing switch 2 (DPTM2) does not turn off within 3600
pulse.
DP timing switch 2 (DPTM2) does not turn on within 3600
pulse.
72
An original jam in the orig-
inal feed/conveying sec-
tion 2
The original feed switch (OFSW) and original registration
switch (ORSW) does not turn off within 5000 pulse.
73
An original jam in the orig-
inal conveying section
DP timing switch 1 (DPTM1) does not turn off within 2000
pulse.
DP timing switch 1 (DPTM1) does not turn on within 2000
pulse.
74
An original jam remaining
after retries
The original registration switch (ORSW) does not turn on
within 2000 pulse and after 5 retries.
* Description in ( ) is written for the specified time of less then A4/11" x 8
1/2
" size.
Section
Jam code
Description
Conditions
Summary of Contents for TASKalfa 620
Page 1: ...SERVICE MANUAL Published in August 2009 842KP112 2KPSM062 Rev 2 TASKalfa 620 820 ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 144: ...2KN 2KP 1 3 106 This page is intentionally left blank ...
Page 308: ...2KN 2KP 1 5 88 This page is intentionally left blank ...
Page 412: ...2KN 2KP 2 3 60 This page is intentionally left blank ...
Page 435: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR SIDE FEEDER ...
Page 442: ...INSTALLATION GUIDE FOR LARGE SIZE SIDE FEEDER ...
Page 460: ...INSTALLATION GUIDE FOR DOCUMENT FINISHER ...
Page 475: ...INSTALLATION GUIDE FOR CENTERFOLD UNIT ...
Page 490: ...INSTALLATION GUIDE FOR MULTI JOB TRAY ...
Page 501: ...INSTALLATION GUIDE FOR PUNCH UNIT ...
Page 512: ...INSTALLATION GUIDE FOR STOPPER GUIDE ...
Page 515: ...INSTALLATION GUIDE FOR PRINTING SYSTEM ...
Page 518: ...INSTALLATION GUIDE FOR SCAN SYSTEM ...
Page 520: ......
Page 521: ......