3MH
1-4-2
Section
Description
Conditions
Specified time
Paper
feed
section
12
No paper feed from first
paper feeder
The registration switch (RSW) does not turn on within the
specified time of cassette paper paper feed clutch 1
(CPFCL1) turning on and cannot be detected at the same
timing even after retry.
2290 ms
13
No paper feed from
second paper feeder
Cassette feed switch 1 (CFSW1) does not turn on within
the specified time of cassette paper paper feed clutch 2
(CPFCL2) turning on and cannot be detected at the same
timing even after retry.
1953 ms
14
No paper feed from
third paper feeder
Cassette feed switch 2 (CFSW2) does not turn on within
the specified time of cassette paper paper feed clutch 3
(CPFCL3) turning on and cannot be detected at the same
timing even after retry.
1953 ms
15
Misfeed in vertical
paper conveying sec-
tion 1
The registration switch (RSW) does not turn on within
specified time of cassette feed switch 1 (CFSW1) turning
on.
2243 ms
Cassette feed switch 1 (CFSW1) does not turn off within
specified time of cassette feed switch 2 (CFSW2) turning
on.
1916 ms
Cassette feed switch 1 (CFSW1) does not turn off within
specified time of cassette feed switch 2 (CFSW2) turning
off.
1916 ms
Left cover is opened in prior to the cassette feed switch 1
(CFSW1) is turned off.
-
16
Misfeed in vertical
paper conveying sec-
tion 2
Cassette feed switch 1 (CFSW1) does not turn on within
specified time of cassette feed switch 2 (CFSW2) turning
on.
1916 ms
Left cover is opened in prior to the cassette feed switch 2
(CFSW2) is turned off.
-
22
Multiple sheets in first
paper feeder
The registration switch (RSW) does not turn off within
specified time of its turning on.
5907 ms
The registration switch (RSW) does not turn off within the
specified time of cassette paper feed clutch 1 (CPFCL1)
turning on.
2290 ms
23
Multiple sheets in sec-
ond paper feeder
Cassette feed switch 1 (CFSW1) does not turn off within
specified time of its turning on.
5907 ms
Cassette feed switch 1 (CFSW1) does not turn off within
the specified time of cassette paper feed clutch 2
(CPFCL2) turning on.
1953 ms
24
Multiple sheets in third
paper feeder
Cassette feed switch 2 (CFSW2) does not turn off within
specified time of its turning on.
5907 ms
Cassette feed switch 2 (CFSW2) does not turn off within
the specified time of cassette paper feed clutch 3
(CPFCL3) turning on.
1953 ms
Содержание DF-420
Страница 1: ...SERVICE MANUAL Published in May 2009 3MZSM060 First Edition DP 420 PF 420 DF 420 JS 420 FAX System R ...
Страница 3: ...Revision history Revision Date Replaced pages Remarks ...
Страница 4: ...This page is intentionally left blank ...
Страница 10: ...This page is intentionally left blank ...
Страница 11: ...First Edition DP 420 ...
Страница 13: ...3MX 2 4 Appendixes List of maintenance parts 2 4 1 Periodic maintenance procedures 2 4 2 Wiring diagram 2 4 4 ...
Страница 17: ...3MX 1 1 4 This page is intentionally left blank ...
Страница 21: ...3MX 1 2 4 This page is intentionally left blank ...
Страница 65: ...3MX 1 5 10 This page is intentionally left blank ...
Страница 69: ...3MX 2 1 4 This page is intentionally left blank ...
Страница 82: ...First Edition PF 420 ...
Страница 84: ...3MH 2 4 Appendixes List of maintenance parts 2 4 1 Periodic maintenance procedures 2 4 1 Wiring diagram 2 4 2 ...
Страница 87: ...3MH 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path ...
Страница 88: ...3MH 1 1 4 This page is intentionally left blank ...
Страница 94: ...3MH 1 2 6 This page is intentionally left blank ...
Страница 128: ...3MH 1 4 12 This page is intentionally left blank ...
Страница 136: ...3MH 1 5 8 This page is intentionally left blank ...
Страница 142: ...3MH 2 2 4 This page is intentionally left blank ...
Страница 146: ...3MH 2 3 4 This page is intentionally left blank ...
Страница 149: ...First Edition DF 420 ...
Страница 151: ...3MJ This page is intentionally left blank ...
Страница 155: ...3MJ 1 1 4 This page is intentionally left blank ...
Страница 159: ...3MJ 1 2 4 3 Remove the tape from the process table Figure 1 2 4 Tape Process table ...
Страница 175: ...3MJ 1 5 4 This page is intentionally left blank ...
Страница 181: ...3MJ 2 1 6 This page is intentionally left blank ...
Страница 185: ...3MJ 2 2 4 This page is intentionally left blank ...
Страница 192: ...First Edition JS 420 ...
Страница 194: ...3MK This page is intentionally left blank ...
Страница 196: ...3MK 1 1 2 1 1 2 Parts names Figure 1 1 1 1 2 1 Job separator tray 2 LED ...
Страница 197: ...3MK 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path ...
Страница 198: ...3MK 1 1 4 This page is intentionally left blank ...
Страница 212: ...3MK 2 2 2 This page is intentionally left blank ...
Страница 215: ...First Edition FAX System R ...
Страница 217: ...3MZ This page is intentionally left blank ...
Страница 227: ...3MZ 1 2 4 This page is intentionally left blank ...
Страница 285: ...3MZ 1 6 2 This page is intentionally left blank ...
Страница 287: ...3MZ 2 1 2 This page is intentionally left blank ...
Страница 291: ...3MZ 2 2 4 2 2 2 NCU PWB Figure 2 2 2 NCU PWB silk screen diagram MCN1 MCN2 MCN3 4 3 4 3 4 3 CN2 CN1 1 2 21 22 2 1 ...
Страница 293: ...3MZ 2 2 6 This page is intentionally left blank ...
Страница 295: ...3MZ 2 3 2 This page is intentionally left blank ...
Страница 296: ......