when replacing F1 and F2. If fuses
are not specified by Konica, the
safety feature may not work,
resulting in burn damage to the
board or personal injury.
322
(W: 12pin)
310
(GY: 60pin)
[21] DC Power Supply Unit 1
60 (W: 6pin)
57 (W: 8pin)
58 (W: 8pin)
55 (W: 10pin)
59 (W: 4pin)
54 (W: 5pin)
52 (W: 5pin)
56 (W: 10pin)
53 (W: 7pin)
1 (W: 2pin)
[22] DC Power Supply Unit 2
51 (W: 4pin)
2 (W: 2pin)
Parts specified by Konica
PartPart number
F1963003200
F2963003000
[20] AC Drive Board
ELECTRIC PARTS LIST
4
35 (W: 5pin)
420 (GY: 18pin)
36 (N.C.)
410 (GY: 60pin)
400 (W: 8pin)
424 (W: 2pin)
401 (W: 2pin)
FT1 (W: 1pin)
FT3 (W: 1pin)
FT2 (W: 1pin)
FT4 (W: 1pin)
430 (W: 4pin)
440 (W: 5pin)
422 (W: 6pin)
442 (W: 5pin)
71 (W: 7pin)
72 (W: 8pin)
73 (W: 8pin)
74 (W: 10pin)
76 (W: 9pin)
75 (W: 4pin)
FT4 (W: 1pin)
FT1 (W: 1pin)
FT2 (W: 1pin)
FT3 (W: 1pin)
4 - 20
Page 22
7075 CONNECTOR LAYOUT DRAWING
[23] Scanner Drive Board
620 (W: 3pin)
623 (W: 7pin)
622 (W: 4pin)
621 (W: 4pin)
610 (W: 15pin)
600 (W: 6pin)
[24] High Voltage Unit 1
[26] Jam Indicator Board
531 (W:7pin)
[27] L1 Inverter
251 (W:9pin)
[25] High Voltage Unit 2
551 (W:11pin)
250 (W:3pin)
550 (W:4pin)
632 (W: 3pin)2 (W: 2pin)
[28] Drum Potential Sensor Board
457 (W: 5pin)
458 (W: 4pin)
ELECTRIC PARTS LIST
4
4 - 21
Page 23
7075 CONNECTOR LAYOUT DRAWING
[29] Drum Temperature Sensor Board
455 (W: 4pin)
456 (BK: 2pin)
[30] Operation Board 1
161 (BK: 14pin)
[32] Optional I/F Board
123 (W: 120pin)
122 (BK: 60pin)
124 (W: 120pin)
[33] OB Inverter
165 (W: 3pin)
152
ELECTRIC PARTS LIST
4
[31] Operation Board 2
163 (W: 3pin)
164 (BK: 24pin)151 (W: 7pin)
162 (W: 4pin)
150 (W: 10pin)
153 (W: 3pin)
160 (BK: 24pin)
166 (W: 4pin)
[34] Toner Control Sensor Board
454 (W: 9pin)
4 - 22
Page 24
7075 CONNECTOR LAYOUT DRAWING
[35] KRDS
219 (W: 11pin)
217 (BK: 25pin)
[36] Index Sensor Board
[39] Polygon Motor Drive Board
130 (W: 5pin)
422 (W: 12pin)
[40] Memory Board
141 (W: 20pin)
442 (W: 11pin)
[37] A/D Converter Board
410 (W: 5pin)
411 (W: 34pin)
[38] Laser Driver Board 1/2
142 (W: 20pin)
[41] LAN I/F Board
144
(W: 8pin)
ELECTRIC PARTS LIST
4
145 (W: 8pin)
440 (W: 12pin)
4 - 23
Page 25
OPTION CONNECTOR LAYOUT DRAWING
DF-313 CONNECTOR LAYOUT DRAWING
4 (W: 7pin)
3 (W: 8pin)
1 (W: 4pin)
16 (W: 3pin)
15 (W: 6pin)
ELECTRIC PARTS LIST
4
49 (W: 3pin)
6 (W: 6pin)
5 (W: 3pin)
14 (W: 6pin)
13 (W: 6pin)
57 (W: 2pin)
7 (W: 9pin)
12 (W: 7pin)
59 (W: 2pin)
8 (GY: 24pin)
64/65 (W: 3pin)
54 (W: 6pin)
61 (W: 2pin)
66 (W: 2pin)
41 (W: 3pin)
10 (W: 6pin)
11 (W: 6pin)
11 (W: 6pin)
51 (W: 3pin)
50 (W: 3pin)
52 (W: 3pin)
53 (W: 3pin)
54/55 (W: 6pin)
35 (W: 3pin)
22 (W: 9pin)
21 (W: 6pin)
34 (W: 3pin)
23 (W: 3pin)
4 - 24
44 (W: 3pin)
45 (W: 3pin)
48 (W: 3pin)
38 (W: 3pin)
39 (W: 3pin)
37 (W: 3pin)
41 (W: 3pin)
Page 26
OPTION CONNECTOR LAYOUT DRAWING
LT-401 CONNECTOR LAYOUT DRAWING
744 (W: 3pin)
742 (W: 3pin)
741 (W: 3pin)
766 (W: 2pin)
784 (W: 2pin)
747 (W: 3pin)
746 (W: 3pin)
765 (W: 2pin)
774 (W: 2pin)
762 (W: 3pin)
749 (W: 3pin)
780 (B: 3pin)
781 (W: 3pin)
783 (W: 3pin)
782 (B: 3pin)
Caution: Must use fuses specified by
Konica when replacing F1. If
fuse is not specified by Konica,
the safety feature may not work,
resulting in burn damage to the
board or personal injury.
1.The signals shown reflect levels present
under normal idling conditions with
the main switch turned ON.
2.Wiring symbols in the figure are as follows.
(1) [Symbol]
(2) [Color code]
BN - Brown B - Blue
R - Red V - Violet
O - Orange GY - Gray
Y - Yellow W - White
GN - Green BK - Black
LB - Light blue P - Pink
Example: Y/GN represents
green yellow striped pattern.
P
217-B5 LT ACK
217-B6 SGND
217-B7 LT REQ
217-B8 SGND
120
111
82
47
Crimp
48
49
V
50
51
Connector
FIN TXD218-1
SGND218-2
FIN TXD REQ218-3
SGND218-4
FIN TXD ACK218-5
SGND218-6
FIN RXD218-7
SGND218-8
FIN RXD REQ218-9
SGND218-10
FIN RXD ACK218-11
SGND218-12
52
83
50-1
V
Faston
Wire(Violet)
66
750-8-3
750-9-2
67
750-10-1
98
85
751-4
756-12-1
GY
756-11-2
GY
756-10-3
GY
756-9-4
GY
756-8-5
GY
756-7-6
GY
756-6-7
GY
756-5-8
GY
756-4-9
GY
756-3-10
GY
756-2-11
GY
756-1-12
GY
750-1-10
750-2-9
750-3-8
750-4-7
750-5-6
750-6-5
750-7-4
LT - 401
(3) RC is ribbon cable.
(4) Signal flow
The solid black circle ( ) among
the connector symbols ( )
indicates the direction of signal flow.
Example)
CB
5VDC
PS1
SGND
Direction of
signal flow
99
BK
PS1
77
112
55
56
84
O
B
R
751-1
751-3
751-2
4 - 31
Page 32
DF-313 OVERALL WIRING DIAGRAM
51-3
Y
8-B5
5VDC
Original
conveyance
detection PS
PS308
50-1
LB
8-A8
L
PS305 LED CONT
APS timing
PS
PS317
53-1
53-2
B
LB
8-B1
8-A12
L
SGND
PS317
53-3
Y
8-B2
5VDC
Original
skew
detection PS2
PS312
52-1
52-2
52-3
B
Y
LB
8-B3
8-A11
8-A10
L
H
5VDC
PS312
PS312 LED CONT
Original
skew
detection PS1
PS311
51-1
51-2
B
LB
8-B4
8-A9
L
H
PS311
PS311 LED CONT
[How to see the diagram]
1.The signals shown reflect levels present
under normal idling conditions with
the main switch turned ON.
2.Wiring symbols in the figure are as follows.
(1) [Symbol]
50-1
V
V
50-2
B
8-B6
8-A7
H
5VDC
PS308
50-3
Y
RADF open
/close PS
PS301
49-1
49-2
B
LB
8-B7
8-A6
L
SGND
PS301
49-3
Y
8-B8
5VDC
Original
exit
PS1
PS307
48-1
WWW
47-3
47-2
46-1
46-2
LB
8-A5
H
PS307
1-1
1-2
R
BK
48-2
47-1
46-3
B
8-B9
8-A4
5VDC
SGND
1-3
O
48-3
Y
1-4
GY
Original
reversal detection
PS
PS309
45-1
45-2
45-3
BBB
43-6
43-5
43-4
42-1
42-2
42-3
B
Y
LB
8-A3
8-B10
8-B11
L
H
5VDC
PS309
PS309 LED CONT
PS315
DF VALID
DF CTS
DF DTR
DF RXD
L
PPP
P
3-1
3-2
3-3
3-4
3-5
3-6
P
Y
LB
W
BK
BN
jam detection
3-7
3-8
V
B
Reverse
PS
PS304
44-1
44-2
44-3
BBB
43-3
43-2
43-1
46-1
46-2
46-3
B
Y
LB
8-A2
8-A1
8-B12
L
H
5VDC
PS304
PS304 LED CONT
Tray lower
limit detection
PS
PS316
41-1
41-2
41-3
BBB
5-3
5-2
5-1
L
5VDC
SGND
PS316
54-6
55-1
56-2
57-1
24VDC
SD301 DRIVE
H
15-1
15-2
B
B
54-5
55-2
B
B
56-1
57-2
Tray upper
limit detection
PS
PS315
40-1
40-2
40-3
BBB
7-9
7-8
7-7
H
5VDC
SGND
PS315
24VDC
15-3
B
54-4
54-3
55-3
55-4
B
58-2
58-1
59-1
59-2
No original
detection
SD302 DRIVE
H
15-4
B
B
PS
PS305
39-1
BBB
7-6
5VDC
24VDC
15-5
B
54-2
55-5
B
60-2
61-1
39-2
39-3
7-5
7-4
H
SGND
PS305
SD303 DRIVE
H
15-6
B
54-1
55-6
B
60-1
61-2
Original
registration detection
PS
PS306
38-1
38-2
38-3
BBB
7-3
7-2
7-1
L
H
5VDC
PS306
PS306 LED CONT
24VDC
SD304 DRIVE
H
9-1
9-2
B
B
62-3
62-2
63-1
63-2
PGND
9-3
64-3
65-1
64-2
65-2
DFCB
FM301 LD
FM301 DRIVE
L
H
9-4
9-5
BBB
64-1
65-3
Original
size detection
PS1
PS302
35-3
35-1
35-2
Y
B
LB
22-1
22-2
22-3
H
5VDC
SGND
PS302
M302 DRIVE B
M302 DRIVE B
M302 DRIVE A
M302 DRIVE A
PPP
P
10-1
10-2
10-3
10-4
Y
R
O
BN
24VDC
24VDC
10-5
10-6
W
BK
Original
size detection
PS2
PS303
36-3
36-1
36-2
Y
B
LB
22-4
22-5
22-6
H
5VDC
SGND
PS303
21-1
R
6-1
5VDC
24VDC
11-1
BK
Original count
PTBD
21-2
21-3
21-4
Y
W
LB
6-2
6-3
6-4
HHH
PS310
PS303
PS302
24VDC
M301 DRIVE A
M301 DRIVE A
PPP
11-2
11-3
11-4
B
O
W
detection
PS
PS310
37-3
37-1
37-2
Y
B
LB
22-7
22-8
22-9
H
5VDC
SGND
PS310
21-5
21-6
P
BK
6-5
6-6
SGND
VR301
M301 DRIVE B
M301 DRIVE B
P
11-5
11-6
Y
R
Original
size detection
VR
VR301
LB
BN
23-1
23-2
5VDC
VR301
M303 DRIVE B
M303 DRIVE B
M303 DRIVE A
M303 DRIVE A
24VDC
PPP
P
14-1
14-2
14-3
14-4
14-5
Y
R
O
BK
BN
B
23-3
SGND
24VDC
14-6
R
M304 DRIVE B
M304 DRIVE B
M304 DRIVE A
M304 DRIVE A
PPP
P
12-2
12-3
12-4
12-5
Y
R
O
BN
24VDC
24VDC
12-6
12-7
W
BK
Original
exit
PS2
PS314
33-3
33-2
WWW
4-1
4-2
5VDC
SGND
Original exit
reverse detection
33-1
4-3
H
PS314
M305 DRIVE B
M305 DRIVE B
PPP
13-1
13-2
O
BN
PS
PS313
34-3
34-2
34-1
BBB
4-4
4-5
4-6
L
H
5VDC
PS313
PS313 LED CONT
M305 DRIVE A
M305 DRIVE A
24VDC
24VDC
P
13-3
13-4
13-5
13-6
Y
R
W
BK
Cover open
/close MS
MS301
66-1
B
16-1
H
MS301
66-2
O
16-2
24VDC
Connector
Crimp
Faston
Wire(Violet)
(2) [Color code]
BN - Brown B - Blue
R - Red V - Violet
O - Orange GY - Gray
Y - Yellow W - White
GN - Green BK - Black
LB - Light blue P - Pink
Example: Y/GN represents
green yellow striped pattern.
(3) RC is ribbon cable.
(4) Signal flow
The solid black circle ( ) among
the connector symbols ( )
indicates the direction of signal flow.
Example)
5VDC
PS1
SGND
Direction of
signal flow
PS1
CB
31-3
5VDC
31-4
SGND
31-1
31-2
32-8
PGND
24VDC
MAIN BODY
32-7
32-3
32-2
32-1
32-6
32-5
PPP
DF RTS
DF DSR
32-4
DF TXD
SD301SD302SD303SD304
Flapper
drive SD
Pressure roller
release SD
Original
exit gate
SD
SDF switchingSDADF fanOriginal
FM301
M302
feed motor
M301
Original
conveyance motor
Tray up/down
drive motor
M304M305M303
Original
exit motor 1
Original
exit motor 2
4 - 32
Page 33
LT-401 OVERALL WIRING DIAGRAM
LT FEED DRIVE
CLUTCH
MC101
766-1-2
766-2-1
723-3
723-4
24VDC
HL
MC101 DRIVE
5VDC
PS100
SGND
722-A1
722-A4
722-A7
746-1
746-2
746-3
PS100
LT
TOP COVER
OPEN/CLOSE
DETECTION
SENSOR
[How to see the diagram]
1.The signals shown reflect levels present
under normal idling conditions with
the main switch turned ON.
2.Wiring symbols in the figure are as follows.
(1) [Symbol]
Crimp
V
50-1
Connector
V
Faston
Wire(Violet)
(2) [Color code]
BN - Brown B - Blue
R - Red V - Violet
O - Orange GY - Gray
Y - Yellow W - White
GN - Green BK - Black
LB - Light blue P - Pink
Example: Y/GN represents
green yellow striped pattern.
(3) RC is ribbon cable.
(4) Signal flow
The solid black circle ( ) among
the connector symbols ( )
indicates the direction of signal flow.
Example)
PS44 (registration) is not turned
ON within the specified time after
SD11 (pick up (by-pass)) is in the
standby state.
PS44 (registration) is not turned
OFF within the specified time after
SD11 (pick up (by-pass)) is turned
ON.
PS48 (paper pre-registration 1) is
Operating
not turned ON within the specified
time after MC4 (pre-registration
MC 1) is turned ON.
PS47 (paper feed 1) is not turned
ON within the specified time after
MC3 (feed MC1) is turned ON.
PS18 (vertical conveyance 1) is
ON during idling.
Machine response
If there is paper in the
copy process when
this jam occurs, the
machine stops after
completion of paper
ejection.
If there is paper in the
copy process when
this jam occurs, the
machine stops after
completion of paper
ejection.
Countermeasure
Remove the original
from the bypass
tray and remove the
jammed paper.
Remove the tray
and remove the
jammed paper.
Open the vertical
conveyance door of
the main body and
remove the jammed
paper.
J11-4
Main body and LCT
J11-5
Tr ay 2
J12-1
J12-2
J12-3
J12-5
J12-5
PS47 (paper feed 1) is ON during
idling.
Stationary
PS48 (paper pre-registration 1) is
ON during idling.
PS50 (paper pre-registration 2) is
not turned ON within the specified
time after MC6 (pre-registration
MC2) is turned ON.
PS49 (paper feed 2) is not turned
Operating
ON within the specified time after
MC5 (feed MC2) is turned ON.
PS19 (vertical conveyance 3) is
ON during idling.
PS49 (feed 2) is ON during idling.
PS50 (paper pre-registration 2) is
Stationary
ON during idling.
If there is paper in the
copying process
when this jam occurs,
the machine stops
after completion of
paper ejection.
Open the vertical
conveyance door of
the main body and
remove the jammed
paper.
Remove the tray
and remove the
jammed paper.
Open the vertical
convey ance door of
the main body and
remove the jammed
paper. Remove the
tray and remov e the
jammed paper.
Open the vertical
conveyance door of
the main body and
remove the jammed
paper.
ELECTRIC PARTS LIST
4
4 - 35
Page 35
JAM CODE LIST
Classification
Tray 3
LT-401
Main body and LCT
ELECTRIC PARTS LIST
4
Paper feed
and
conveyance
(common
to all trays)
Jam
code
J13-1
J13-2
J13-3
J13-4
J13-5
J14-1
J14-2
J14-3
J14-4
J17-1
Cause
PS52 (paper pre-registration 3) is
not turned ON within the specified
time after MC8 (pre-registration
MC3) is turned ON.
Operating
PS51 (paper feed 3) is not turned
ON within the specified time after
MC7 (feed MC3) is turned ON.
PS19 (vertical conveyance 3) is
ON during idling.
PS51 (paper feed 3) is ON during
idling.
Stationary
PS52 (paper pre-registration 3) is
ON during idling.
PS107 (LT first paper feed
detection) is not turned ON within
the specified time after MC102
(LT first paper feed MC) is turned
ON.
PS106 (LT feed detection) is not
Operating
turned ON within the specified
time after MC101 (LT feed drive
MC) is turned ON.
PS106 (LT feed detection) is ON
during idling.
PS107 (LT first paper feed
Stationary
detection) is ON during idling.
PS44 (registration) is not turned
ON within the specified time after
PS54 (loop) or PS46 (ADU exit)
is turned ON.
Operating
Machine response
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
paper ejection.
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
paper ejection.
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
copied paper ejection.
Countermeasure
Open the vertical
convey ance door of
the main body and
remove the jammed
paper.
Remove the tray
and remove the
jammed paper.
Open the vertical
conveyance door of
the main body and
remove the jammed
paper.
Open the vertical
conveyance jam
door of the main
body and remove
the jammed paper.
Remove the tray
and remove the
jammed paper.
Open the LCT
cover and remove
the jammed paper.
Open the LCT door
and remove the
jammed paper.
Open the right door,
draw out the ADU,
open the paper
registration and
loop roller unit jam
removal mechanism and jam
access guide B,
and remove the
jammed paper.
4 - 36
Page 36
JAM CODE LIST
Classification
Paper feed
and
conveyance
(tray 1)
Paper feed
and
conveyance
(tray 2/3)
Paper feed
and
conveyance
(tray 2)
Paper feed
and
conveyance
(tray 3)
LT-401
Paper feed
and
conveyance
Main body and LCT
Vertical
paper
conveyance
access
door
LT-401
Drum
code
J17-2
J17-3
J17-4
J17-5
J17-6
J17-7
J17-8
J17-9
J17-10
J19-1
J19-2
J21-1
J21-2
Jam
Cause
PS54 (loop) is not turned ON
within the specified time after
PS47 (paper feed 1) is turned ON.
PS54 (loop) is not turned ON within
the specified time after PS53
(vertical conveyance 2) is tur ned
ON.
PS53(vertical conveyance 2) is
not turned ON within the specified
time after PS49 (paper feed 2) is
turned ON.
PS53 (vertical conveyance 2) is
Operating
not turned ON within the specified
time after PS51 (paper feed 3) is
turned ON
PS54 (loop) is not turned ON
within the specified time after
PS106 (LT feed detection) is
turned ON.
PS45 (leading edge detection) is
ON during idling.
PS44 (registration) is ON during
idling.
PS46 (ADU exit) is ON during
idling.
Stationary
PS54 (loop) is ON during idling.
The vertical conveyance door or
top cover is opened during
copying.
The jam access door is opened
during copying.
Operating
The drum wrapping paper
detection sensor detected paper
at the specified timing in the print
sequence.
The drum wrapping paper
detection sensor is detecting
paper during idling.
Machine response
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
copied paper ejection.
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
paper ejection.
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
paper ejection.
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
paper ejection.
Countermeasure
Open the vertical
paper conveyance
jam access door of
the main body and
the jammed paper.
Open the vertical
paper conveyance
jam access door of
the main body and
remove the jammed
paper.
Open the LCT jam
access door and
remove the jammed
paper.
Open the front door,
draw out the ADU,
and remove the
jammed paper.
Open the vertical
conveyance door of
the main body and
remove the jammed
paper.
Open the LCT jam
access door and
remove the jammed
paper.
Open the front right
door, draw out the
ADU, and remove
the jammed paper.
ELECTRIC PARTS LIST
4
Stationary
4 - 37
Page 37
JAM CODE LIST
Classification
Second
paper feed
and
conveyance
Fixing unit:
paper
ejection
(straight
paper
ejection)
Fixing unit:
paper exit
(paper
reverse
and exit)
(ADU)
Fixing unit:
paper
Main body
ejection
(paper
reverse
and eject)
Fixing unit:
Exit
ELECTRIC PARTS LIST
4
conveyance
Jam
code
J31-1
J31-2
J32-1
J32-2
J32-3
J32-4
J32-5
J32-6
J32-8
J32-9
J32-10
J32-11
Cause
PS45 (leading edge detection) is
not turned ON within the specified
time after MC1 (Registration) is
turned ON.
PS2 (fixing exit) is not turned ON
within the specified time after
PS45 (leading edge detection) is
turned ON.
PS61 (paper exit) is not turned
ON within the specified time after
PS2 (fixing exit) is turned ON.
PS57 (paper reverse) is not
Operating
turned ON within the specified
time after PS2 (fixing exit) is
turned ON.
PS57 (paper reverse) is not
turned ON again within the
specified time after PS57 (paper
reverse) is turned ON.
PS61 (paper exit) is not turned
ON within the specified time after
PS57 (paper reverse) is turned
ON again.
PS61 (paper exit) is not turned
ON within the specified time after
PS61 (paper exit) is turned ON.
PS61 (paper exit) is ON during
idling.
PS57 (paper reverse) is ON
during idling.
PS2 (fixing exit) is ON during
idling.
PS8 (paper reverse/con ve yance)
Stationary
is ON during idling.
PS3 (fixing jam) is ON during
idling.
Machine response
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
paper ejection.
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
paper ejection.
Countermeasure
Open the front right
door, draw out the
ADU, and remove
the jammed paper.
Open the front right
door, draw out the
ADU, and remove
the jammed paper.
4 - 38
Page 38
JAM CODE LIST
Classification
Front door
ADU inlet
paper
conveyance
ADU paper
reverse
and
conveyance
Main body and LCT
LCT to
ADU paper
feed
code
J51-1
J92-1
J92-2
J92-3
J93-1
J93-2
J93-3
J93-4
J94-1
J94-2
J94-3
Jam
Cause
The front right or left door is
opened during copying.
PS58 (ADU paper rev erse ) is not
turned ON within the specified
time after PS57 (paper reverse)
is turned ON.
Operating
PS58 (ADU paper reverse) is not
turned ON again within the
specified time after PS58 (ADU
paper reverse) is turned ON.
PS58 (ADU paper reverse) is ON
during idling.
Stationary
PS59 (ADU deceleration) is not
turned ON within the specified
time after PS58 (ADU paper
OperatingStationary
reverse) is turned ON.
PS59 (ADU deceleration) is ON
during idling.
PS9 (ADU paper conveyance) is
ON during idling.
PS8 (paper reverse/
conveyance) is ON during idling.
PS60 (ADU pre-registration ) is
not turned ON within the
specified time after PS59 (ADU
deceleration) is turned ON.
PS46 (ADU exit) is not turned ON
Operating
within the specified time after
PS60 (ADU pre-registration) is
turned ON.
PS60 (ADU pre-registration) is
ON during idling.
Machine response
The machine stops
immediately.
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
paper ejection.
The machine stops
immediately.
If there is paper in
copying process
when this jam occurs,
the machine stops
after completion of
paper ejection.
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
paper ejection.
Countermeasure
Open the front right
door, draw out the
ADU, and remove
the jammed paper.
ELECTRIC PARTS LIST
4
Stationary
4 - 39
Page 39
JAM CODE LIST
Classification
DF-313J61-1
RADF
ELECTRIC PARTS LIST
4
Jam
code
J61-2
J62-1
J62-2
J62-3
J62-4
J62-5
J62-6
J62-7
Cause
PS301 (RADF open/close
detection) is turned OFF during
RADF operation.
MS301 (cover open/close) is
turned OFF during RADF
operation.
PS306 (original registration
detection) remains OFF within the
specified time after start of
prefeed.
PS308 (original conveyance
detection) is not turned ON within
the specified time after start of
prefeed at the front surface of the
two-sided original (including onesided original).
PS308 (original conveyance
detection) is not turned ON within
the specified time after start of
prefeed at the back surface of the
two-sided original.
PS308 (original conveyance
detection) is not turned OFF
within the specified time when
Operating
M301 (original conveyance roller
drive) is rotating in the forward
direction.
PS308 (original conveyance
detection) is not turned OFF
within the specified time when
M301 (original conveyance roller
drive) is rotating in the backward
direction.
When a large-size two-sided
original is fed into the reversal
section, PS309 (original reversal
detection) is not turned ON within
the specified time after turning
ON of PS308 (original conveyance detection).
When a large-size one-sided
original is ejected, PS307
(original exit 1) is not turned ON
within the specified time after
turning ON of PS308 (original
conveyance detection).
Machine response
RADF stops immediately.
If there is a paper in
or after the copying
process, the machine
stops after completion
of copied paper
ejection.
Countermeasure
Open the jam
access cover and
remove jammed
paper.
4 - 40
Page 40
JAM CODE LIST
Classification
DF-313
RADF
Jam
code
J62-8
J62-9
J62-10
J63-1
J63-2
J63-3
J63-4
J63-5
Cause
When a large-size two-sided
original is ejected, PS307
(original exit 1) is not turned ON
within the specified time after
turning ON of PS309 (original
reversal detection).
When a large-size one-sided
original is ejected, PS307
(original exit 1) is not turned OFF
within the specified time.
When a large-size two-sided
original is ejected, PS307
(original exit 1) is not turned OFF
within the specified time.
When a large-size two-sided
original is fed out of the reversal
section, PS309 (original reversal
detection) is not turned ON.
When a large-size two-sided
original is fed into the reversal
section, PS309 (original reversal
Operating
detection) is not turned OFF
within the specified time.
When a large-size two-sided
original is fed out of the reversal
section, PS309 (original reversal
detection) is not turned OFF
within the specified time.
When a small-size one-sided
original is ejected, PS314
(original exit 2) is not turned ON
within the specified time after
turning ON of PS309 (original
reversal detection).
When a small-size two-sided
original is ejected, PS314
(original exit 2) is not turned ON
within the specified time after
turning ON of PS313 (original exit
reverse detection).
Machine response
RADF stops immediately.
If there is a paper in
or after the copying
process, the machine
stops after completion
of copied paper
ejection.
Countermeasure
Open the jam
access cover and
remove jammed
paper.
ELECTRIC PARTS LIST
4
4 - 41
Page 41
JAM CODE LIST
Classification
DF-313J63-6
Jam
code
J63-7
J63-8
J63-9
Cause
When a small-size one-sided
original is ejected, PS314 (original
exit 2) is not turned OFF within
the specified time.
When a small-size two-sided
original is ejected, PS314 (original
exit 2) is not turned OFF within
the specified time.
When a small-size two-sided
original is fed into the reversal
section, PS309 (original reversal
detection) is not turned ON within
the specified time after turning ON
of PS308 (original conveyance
detection).
When a small-size two-sided
Operating
original is fed out of the reversal
section, PS309 (original reversal
detection) is not turned ON.
Machine response
RADF stops immediately.
If there is a paper in
or after the copying
process, the machine
stops after completion
of copied paper
ejection.
Countermeasure
Open the jam
access cover and
remove jammed
paper.
RADF
ELECTRIC PARTS LIST
4
J63-10
J63-11
J65-1
J65-2
J65-4
J65-8
J65-10
When a small-size two-sided
original is fed into the reversal
section, PS309 (original reversal
detection) is not turned OFF.
When a small-size two-sided
original is fed out of the reversal
section, PS309 (original reversal
detection) is not turned OFF.
PS306 (original registration
detection) is ON during idling.
PS308 (original conveyance
detection) is ON during idling.
PS309 (original reversal detection) is ON during idling.
PS307 (original exit 1) is ON
Stationary
during idling.
PS313 (original exit reverse
detection) is ON during idling.
4 - 42
Page 42
JAM CODE LIST
Classification
DF-313
RADF
FS-108/BM
FNS
Jam
code
J65-20
J65-40
J72-16
J72-17
J72-18
J72-19
J72-20
J72-21
J72-22
J72-23
J72-24
J72-25
Cause
PS314(original exit 2) is ON
during idling.
PS304(reverse jam detection) is
ON during idling.
Stationary
PS4(FIN entrance passage) is not
turned ON within the specific time
after the main body paper exit PS
is turned ON.
PS10(paper exit 2) is not turned
ON within the specific time after
PS4(FIN entrance passage) is
turned ON.
PS5(stacker conveyance passage)
is not turned ON within the specific
time after PS4(FIN entrance
passage) is turned ON (in staple
mode).
PS5(satcker conveyance passage)
is not turned OFF within the specific
time after it turns ON.
PS6(paper exit 1) is not turned ON
within the specific time after the
paper exit operation is started (in
staple mode).
PS6(paper exit 1) is not turned
Operating
OFF within the specific time after it
turns ON after the paper exit
operation is started (in staple
mode).
PS1(subtray paper exit) is not
turned ON within the specific time
after PS4(FIN entrance passage)
is turned ON (in subtray paper
exit).
PS1(subtray paper exit) is not
turned OFF within the specific time
after it turns ON (in subtray paper
exit).
PS28(folding passage/1) is not
turned ON within the specific time
after the staple is completed.
PS25(folding paper exit) is not
turned ON within the specific time
after folding is completed.
Machine response
RADF stops immediately.
If there is a paper in
or after the copying
process, the machine
stops after completion
of paper ejection.
FNS/main body stops
immediately .
Countermeasure
Open the movable
cover and remove
jammed paper.
Remove jammed
paper from FNS/
main body if present.
ELECTRIC PARTS LIST
4
4 - 43
Page 43
JAM CODE LIST
Classification
FS-108/BM
PI-108
FNS
PI-108MB
ELECTRIC PARTS LIST
4
Jam
code
J72-26
J72-27
J72-28
J72-29
J72-30
J72-35
J72-36
J72-37
J72-81
J72-82
J72-83
J72-90
CauseMachine responseCountermeasure
PS25(folding paper exit) is not
turned OFF within the specific
time after it turns ON.
PS20(stacker no paper detection)
is OFF when the staple is started.
PS5(stacker conv ey ance passage)
is not turned OFF within the specific
time after it turns ON.
PS10(paper exit 2) is not turned
OFF within the specific time after
it turns ON.
PS6(paper exit 1) is not turned
OFF within the specific time after
it turns ON.
PS201(sheet passage) is not
turned ON within the specific time
after MC201(paper feed) is turned
ON.
PS5(stacker con veyance passage)
is not turned ON within the specific
time after PS201(sheet passage)
is turned ON.
PS10(paper exit 2) is not turned
ON within the specific time after
PS201(sheet passage) is turned
Operating
ON.
PS30(clincher HP/R) and PS31
(stapler HP/R) are not turned ON
within the specific time after M21
(clincher R) and M22(stapler R)
go ON.
PS33(clincher HP/F) and PS34
(stapler HP/F) are not turned ON
within the specific time after M23
(clincher F) and M24(stapler F) go
ON.
PS30(clincher HP/R), PS33
(clincher HP/F), PS31(stapler HP/
R) and PS34(stapler HP/F) are
not turned ON within the specific
time after M21(clincher R),
M23(clincher/ F), M22(stapler R)
and M24(stapler/ F) go ON.
FNS does not operate within the
specific time after it receives startoperation signal from the main
body.
FNS/main body stops
immediately .
Remove jammed
paper from FNS/
main body if present.
4 - 44
Page 44
JAM CODE LIST
Classification
FS-108/BM
FNS
FS-108
Jam
code
J73-1
J73-2
J73-3
J73-4
J73-5
J73-6
J73-7
J73-9
J73-10
J73-14
CauseMachine responseCountermeasure
PS6(paper exit 1) is ON during
idling.
PS5(stacker conv eyance passage)
is ON during idling.
PS26(folding passage/2) is ON
during idling.
PS13(entrance paper detection)
is ON during idling.
PS4(FIN entrance passage) is
ON during idling.
PS10(paper exit 2) is ON during
Stationary
idling.
PS1(subtray paper exit) is ON
during idling.
PS28(folding passage/1) is ON
during idling.
PS25(folding paper exit) is ON
during idling.
PS201(sheet passage) is ON
during idling.
FNS/main body stops
immediately .
Remove jammed
paper from FNS/
main body if present.
4 - 45
ELECTRIC PARTS LIST
4
Page 45
ERROR CODE LIST
ERROR CODE LIST
Classification
Drive
Tr ay 1
Main body
ELECTRIC PARTS LIST
4
Warning
code
F13-01
F13-02
F13-03
F18-10
F18-11
F18-12
F18-13
Causes
A trouble detection signal is detected
two consecutive times (the first signal
is ignored) in 4 seconds after turning
ON of M4 (paper feed).
A trouble detection signal is detected
two consecutive times (the first signal
is ignored) in 2 seconds after turning
ON of M101 (LT paper feed).
An M6 trouble detection signal (blown
fuse) is detected when M6 (loop
roller) is ON.
An M19 trouble detection signal is
detected when M19 (up drive 1) is
ON.
PS20 (tray upper limit 1) which has
been OFF is not turned ON within 10
seconds of upward movement
started by turning ON of M19 (up
drive 1). At this time, a trouble
detection signal (24V off) is detected.
PS20 (tray upper limit 1) which has
been OFF is not turned ON within 10
seconds of upward movement started
by turning ON of M19 (up drive 1). At
this time, a trouble detection signal
(blown fuse) is detected.
PS20 (tray upper limit 1) which has
been OFF is not turned ON within 10
seconds of upward movement
started by turning ON of M19 (up
drive 1). At this time, no trouble
detection signal is detected.
Operation in case of
warning occurrence
The machine stops
immediately and RL1
(main) is turned OFF.
If there is a paper in
copying process
when this trouble occurs, the machine
stops after completion of copied paper
ejection. RL1 (main)
is turned OFF.
The machine stops
immediately and RL1
(main) is turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS. Message
"Please load paper in
tray 1." is displayed
on operation panel
because tray has not
completed ascending.
Estimated abnormal
parts
M4 (paper feed)
PRCB (printer
control board)
When M20 (up drive 2) is ON, an
M20 error detection signal is
detected.
PS21 (tray upper limit 2) which has
been OFF is not turned ON within
10 seconds of upward movement
started by turning ON of M20 (up
drive 2). At this time, a trouble
detection signal (24V off) is detected.
PS21 (tray upper limit 2) which has
been OFF is not turned ON within
10 seconds of upward movement
started by turning ON of M20 (up
drive 2). At this time, a trouble
detection signal (blown fuse) is
detected.
PS21 (tray upper limit 2) which has
been OFF is not turned ON within
10 seconds of upward movement
started by turning ON of M20 (up
drive 2). At this time, no trouble
detection signal is detected.
When M21 (up drive 3) is ON, an
M21 trouble detection signal is
detected.
PS22 (tray upper limit 3) which has
been OFF is not turned ON within
10 seconds of upward movement
started by turning ON of M21 (up
drive 3). At this time, a trouble
detection signal (24V off) is detected.
PS22 (tray upper limit 3) which has
been OFF is not turned ON within 10
seconds of upward movement started
by turning ON of M21 (up drive 3). At
this time, a trouble detection signal
(blown fuse) is detected.
Operation in case of
warning occurrence
The machine stops
immediately and RL1
(main) is turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS. Message
"Please load paper in
tray 2." is displayed
on operation panel
because tray has not
completed ascending.
The machine stops
immediately and RL1
(main) is turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS. Message
"Please load paper in
tray 3" is displa yed on
operation panel because tray has not
completed ascending.
Estimated abnormal
parts
M20 (up drive 2)
DCDB (DC drive
board)
PRCB (printer
control board)
PS21 (tray upper
limit 2)
PS22 (tray upper limit 3) which has
been OFF is not turned ON within 10
seconds of upward movement started
by turning ON of M21 (up drive 3).
At this time, no trouble detection
signal is detected.
When M100 (LT up/down drive) is
ON, an M100 trouble detection signal
has been continuously detected for
one second.
PS109 (L T tra y upper limit detection)
or PS101 (LT tray lower limit
detection) which has been OFF is not
turned ON within 35 seconds of
upward or downward movement
started by turning ON of M100 (LT
up/down drive). At this time, a trouble
detection signal (24V off) is detected.
PS109 (L T tra y upper limit detection)
or PS101 (LT tray lower limit
detection) which has been OFF is not
turned ON within 35 seconds of
upward or downward movement
started by turning ON of M100 (LT
up/down drive). At this time, a trouble
detection signal (blown fuse) is
detected.
PS109 (L T tra y upper limit detection)
or PS101 (LT tray lower limit
detection) which has been OFF is not
turned ON within 35 seconds of
upward or downward movement
started by turning ON of M100 (LT
up/down drive). At this time, no
trouble detection signal is detected.
Operation in case of
warning occurrence
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS. Message
"Please load paper in
tray 3" is displa yed on
operation panel because tray has not
completed ascending.
The machine stops
immediately and RL1
(main) is turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS. Message
"Please load paper in
tray 4" is displa yed on
operation panel because tray has not
completed ascending.
Estimated abnormal
parts
M21 (up drive 3)
DCDB (DC drive
board)
PRCB (printer
control board)
PS22 (tray upper
limit detection)
PS23 (tray upper limit (by-pass)) or
PS43 (tray lower limit (by-pass))
which has been OFF is not turned
ON within 10 seconds of upward or
downward movement started by
turning ON of M22 (up/down (bypass)). At this time, a trouble
detection signal (24V off) is detected.
PS23 (tray upper limit (by-pass)) or
PS43 (tray lower limit (by-pass))
which has been OFF is not turned
ON within 10 seconds of upward or
downward movement started by
turning ON of M22 (up/down (bypass)). At this time, a trouble
detection signal (blown fuse) is
detected.
PS23 (tray upper limit (by-pass)) or
PS43 (tray lower limit (by-pass))
which has been OFF is not turned
ON within 10 seconds of upward or
downward movement started by
turning ON of M22 (up/down (bypass)). At this time, no trouble
detection signal is detected.
Operation in case of
warning occurrence
Operation panel displays jam error (J10-
01). It is reset by paper re-load. Error
code is displayed on
data collection, list
output, and KRDS.
Estimated abnormal
parts
M22 (up/down (bypass))
DCDB (DC drive
board)
PRCB (printer
control board)
PS43 (tray lower
limit (by-pass))
4 - 49
ELECTRIC PARTS LIST
4
Page 49
ERROR CODE LIST
Classification
Wire
cleaning
abnormality
Main body
ELECTRIC PARTS LIST
4
Warning
code
F21-01
F21-02
Causes
• When SW1 (main switch) has been
ON and PS41 (charging wire
cleaning pad HP) has been OFF,
PS41 is not turned ON within 35
seconds of home position search
operation (forward) started by turning
ON of M23 (charger cleaning). At this
time, a trouble detection signal
(blown fuse) is not detected.
• PS41 is not turned OFF within 15
seconds after start of reversal
operation (return). At this time, a
trouble detection signal (blown fuse)
is not detected.
• PS42 (charging wire cleaning pad
limit) is not turned ON within 35
seconds after detection of turning
OFF of PS41 (charging wire cleaning
pad HP) at the start of reversal
operation (return), or PS41 is not
turned ON within 35 seconds after
turning ON of PS42. At this time, a
trouble detection signal (blown fuse)
is not detected.
• When SW1 (main s witch) has been
ON and PS41 (charging wire
cleaning pad HP) has been OFF,
PS41 is not turned ON within 35
seconds of home position search
operation (forward) started by turning
ON of M23 (charger cleaning). At this
time, a trouble detection signal
(blown fuse) is detected.
• PS41 is not turned OFF within 15
seconds after start of reversal
operation (return). At this time, a
trouble detection signal (blown fuse)
is detected.
Operation in case of
warning occurrence
The machine stops
immediately and RL1
(main) is turned OFF.
Estimated abnormal
parts
M23 (charger
cleaning)
DCDB (DC drive
board)
PRCB (printer
control board)
PS41 (charging
wire cleaning pad
HP)
4 - 50
Page 50
ERROR CODE LIST
Classification
Wire
cleaning
abnormality
Main body
Warning
code
F21-02
F21-03
F21-04
Causes
• PS42 (charging wire cleaning pad
limit) is not turned ON within 35
seconds after detection of turning
OFF of PS41 (charging wire cleaning
pad HP) at the start of reversal
operation (return), or PS41 is not
turned ON within 35 seconds after
turning ON of PS42. At this time, a
trouble detection signal (blown fuse)
is detected.
A motor lock signal is detected during
the cleaning pad moving from the
PS42 (charging wire cleaning pad
limit) side to the PS41 (charging wire
cleaning pad HP) side. After retr y,
the fifth motor lock signal is detected.
• When SW1 (main s witch) has been
ON and PS11 (transfer/separation
wire cleaning pad HP) has been OFF,
PS11 is not turned ON within 40
seconds of home position search
operation (return) started by turning
ON of M18 (transfer/separation
cleaning). At this time, a trouble
detection signal (blown fuse) is not
detected.
• PS11 is not turned OFF within 15
seconds after start of reversal
operation (return). At this time, a
trouble detection signal (blown fuse)
is not detected.
• PS12 (transfer/separation wire
cleaning pad limit) is not turned ON
within 40 seconds after detection of
turning OFF of PS11 (transfer/
separation wire cleaning pad HP) at
the start of reversal operation
(return), or PS11 is not turned ON
within 40 seconds after turning ON
of PS12. At this time, a trouble
detection signal (blown fuse) is not
detected.
Operation in case of
warning occurrence
The machine stops
immediately and RL1
(main) is turned OFF .
Estimated abnormal
parts
M23 (charger
cleaning)
DCDB (DC drive
board)
PRCB (printer
conrol board)
PS41 (charging
wire cleaning pad
HP)
M23 (charger
cleaning)
DCDB (DC drive
board)
PRCB (printer
control board)
PS41 (charging
wire cleaning pad
HP)
PS42 (charging
wire cleaning pad
limit)
M18 (transfer/separation cleaning)
ADUSDB (ADU
stand drive board)
PS11 (transfer/
separation wire
cleaning pad HP)
ELECTRIC PARTS LIST
4
4 - 51
Page 51
ERROR CODE LIST
Classification
Wire
cleaning
abnormality
Main body
ELECTRIC PARTS LIST
4
Warning
code
F21-05
F21-06
Causes
• When SW1 (main switch) has been
ON and PS11 (transfer/separation
wire cleaning pad HP) has been OFF,
PS11 is not turned ON within 40
seconds of home position search
operation (return) started by turning
ON of M18 (transfer/separation
cleaning). At this time, a trouble
detection signal (blown fuse) is
detected.
• PS11 is not turned OFF within 15
seconds after start of reversal
operation (return). At this time, a
trouble detection signal (blown fuse)
is detected.
• PS12 (transfer/separation wire
cleaning pad limit) is not turned ON
within 40 seconds after detection of
turning OFF of PS11 (transfer/
separation wire cleaning pad HP) at
the start of reversal operation
(return), or PS11 is not turned ON
within 40 seconds after turning ON
of PS12. At this time, a trouble
detection signal (blown fuse) is
detected.
A motor lock signal is detected during
movement from the PS12 (transfer/
separation wire cleaning pad limit)
side to the PS11 (transfer/separation
wire cleaning pad HP) side. After
retry, the fifth motor lock signal is
detected.
Operation in case of
warning occurrence
The machine stops
immediately and
RL1 (main) is turned
OFF.
Estimated abnormal
parts
M18 (transfer/separation cleaning)
ADUSDB (ADU
stand drive board)
PS11 (transfer/
separation wire
cleaning pad HP)
M18 (transfer/separation cleaning)
ADUSDB (ADU
stand drive board)
PS11 (transfer/
separation wire
cleaning pad HP)
PS12 (transfer/
separation wire
cleaning pad limit)
Motor
abnormality
F23-01
F23-02
A trouble detection signal is detected
two consecutive times (the first signal
is ignored) in 7 seconds after turning
ON of M15 (toner supply 2).
Because a trouble detection signal
had been detected one second after
turning ON of M3 (developing), M3
was turned OFF for 0.5 second and
ON again. One second later, a
trouble detection signal was detected
again.
4 - 52
M15 (toner supply 2)
PRCB (printer
control board)
M3 (developing)
PRCB (printer
control board)
Page 52
ERROR CODE LIST
Classification
Motor
abnormality
Main body
Warning
code
F23-03
F23-04
F23-05
F23-06
F23-07
F23-08
Causes
An M14 (cleaning blade) trouble
detection signal (excessive current)
is detected.
The drum READY1 signal (ready) is
not detected within 4 seconds after
turning ON of M2 (drum drive motor),
or the drum READY1 signal (not
ready) is not detected within 4
seconds after turning OFF of M2. At
this time, a trouble detection signal
(24V off) is detected.
The drum READY1 signal (ready) is
not detected within 4 seconds after
turning ON of M2 (drum), or the drum
READY1 signal (not ready) is not
detected within 4 seconds after
turning OFF of M2. At this time, an
M14 (cleaning blade) trouble
detection signal (blown fuse) is
detected.
The drum READY1 signal (ready) is
not detected within 4 seconds after
turning ON of M2 (drum), or the drum
READY1 signal (not ready) is not
detected within 4 seconds after
turning OFF of M2. At this time, no
trouble detection signal is detected.
The blade READY signal (ready) is
not detected within 5 seconds after
turning ON of the blade replacement
signal, or the blade READY signal
(not ready) is not detected within
5 seconds after turning OFF of
the blade replacement signal. At
this time, a trouble detection signal
(24V off) is detected.
The blade READY signal (ready) is
not detected within 5 seconds after
turning ON of the blade replacement
signal, or the blade READY signal
(not ready) is not detected within 5
seconds after turning OFF of the
blade replacement signal. At this
time, an M14 (cleaning blade) trouble
detection signal (blown fuse) is
detected.
Operation in case of
warning occurrence
The machine stops
immediately and RL1
(main) is turned OFF.
Estimated abnormal
parts
M14 (cleaning
blade)
DCDB (DC drive
board)
PRCB (printer
control board)
PS30 (blade 1)
PS31 (blade 2)
ELECTRIC PARTS LIST
4
4 - 53
Page 53
ERROR CODE LIST
Classification
Motor
abnormality
Main body
ELECTRIC PARTS LIST
4
Warning
code
F23-09
F23-10
F23-11
F24-01
F24-02
Causes
The blade READY signal (ready) is
not detected within 5 seconds after
turning ON of the blade replacement
signal, or the blade READY signal
(not ready) is not detected within 5
seconds after turning OFF of the
cleaning blade replacement signal.
At this time, no trouble detection
signal is detected.
The drum READY2 signal (ready) is
not detected within 5 seconds after
turning ON of M2 (drum).
A trouble detection signal (blown
fuse) is detected when M11 (toner
supply 1) is turned ON.
One minutes after starting control
over the HTR1 (drum heater) at
depression of SW1 (main switch), the
change in TH5 (drum temperature)
temperature is 2°C or less and the
drum temperature is 10°C or lower.
One minutes after starting control
over the HTR1 (drum heater) at
depression of SW1 (main switch), the
change in TH5 (drum temperature)
temperature is 2°C or less and the
drum temperature is 10°C or higher.
One minute after this, the drum
temperature is 60°C or higher.
Operation in case of
warning occurrence
The machine stops
immediately and RL1
(main) is turned OFF.
Estimated abnormal
parts
M14 (cleaning
blade)
DCDB (DC drive
board)
PRCB (printer
control board)
PS30 (blade 1)
PS31 (blade 2)
Drum heater short-circuit
The charging ON/OFF operation has
been performed five consecutive
times since the charging trouble
detection signal was detected at start
of charging.
The toner transfer ON/OFF operation
has been performed five consecutive
times since the transfer trouble
detection signal was detected at start
of toner transfer.
The toner separation ON/OFF
operation has been performed five
consecutive times since the
separation trouble detection signal
was detected at start of toner
separation.
4 - 54
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
copied paper
ejection. RL1 (main)
is turned OFF.
HTR1 (drum heater)
HV1 (high voltage
unit1)
HV2 (high voltage
unit 2)
Page 54
ERROR CODE LIST
Classification
High voltage
power
supply
abnormality
Process
abnormality
Main body
Warning
code
F28-04
F29-01
F29-02
F29-03
F29-04
F29-05
F29-06
F29-07
F29-08
F29-09
Causes
An HV2 (high voltage unit 2) trouble
detection signal (blown 24V fuse) is
detected.
The Dmax sensor is dirty during
Dmax correction. If this trouble is
detected ten successive times, the
corresponding service code is
displayed.
The rotation speed of the developing
sleeve reached the maximum value
during Dmax correction.
The control patch is not output during
Dmax correction.
(No output from the Dmax sensor)
The γ sensor is dirty during γ correction.
If E29-4 or E29-7 is detected ten
successive times, the corresponding
error code is displayed.
The control patch is not output during
γ correction.
(No output from the sensor)
A regression error occurred when the
γ curve was obtained for γ correction.
The γ sensor is dirty during dot diameter correction. If E29-4 or E29-7
is detected ten successive times,
the corresponding error code is displayed.
Dot diameter correction ended with
an abnormal value.
A drum surface potential of over 100V
was detected 5 or more times when
a 0V check was performed by dr um
potential sensor. If this trouble is
detected five successive times, the
corresponding error code is displayed.
Operation in case of
warning occurrence
The machine stops
immediately and RL1
(main) is turned OFF.
The main body stops
immediately and RL1
(main) is turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS. Main body
control is performed
using previous data.
The main body stops
immediately and RL1
(main) is turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS. Main body
control is performed
using previous data.
The main body stops
immediately and RL1
(main) is turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS. Main body
control is performed
using previous data.
The main body stops
immediately and RL1
(main) is turn OFF.
Estimated abnormal
parts
HV2 (high voltage
unit 2)
TCSB (toner
control sensor
board)
PRCB (printer
control board)
ELECTRIC PARTS LIST
4
DPSB (drum
potential sensor
board)
PRCB (printer
control board)
4 - 55
Page 55
ERROR CODE LIST
Classification
Process
abnormality
Main body
Fan
abnormality
ELECTRIC PARTS LIST
4
Warning
code
F29-10
F29-11
F29-12
F29-13
F29-14
F29-15
F32-01
F32-02
F32-03
Causes
The control patch is not output because Vl exceeds 350V during dr um
potential correction.
Drum potential correction is not completed if it is made 5 or more times.
If this trouble is detected 5 successive
times, the corresponding error code
is displayed.
Drum potential correction is not completed if it is made 10 or more times.
If this trouble is detected 5 successive
times, the corresponding error code
is displayed.
Automatic adjustment of the transfer
current is not completed.
Automatic adjustment of the separation (AC) current is not completed.
Automatic adjustment of the separation (DC) current is not completed.
Automatic adjustment of the dev eloping bias (DC) current is not completed.
The FM2 EM signal was abnormal 2
seconds after turning FM2
(developing suction) ON.
Two seconds after turning FM2 OFF
and ON again, the FM2 EM signal is
still abnormal and a trouble detection
signal (24V off) is detected.
The FM2 EM signal was abnormal 2
seconds after turning FM2
(developing suction) ON.
Two seconds after turning FM2 OFF
and ON again, the FM2 EM signal is
still abnormal and a trouble detection
signal (blown fuse) is detected.
The FM2 EM signal was abnormal 2
seconds after turning FM2
(developing suction) ON.
Two seconds after turning FM2 OFF
and ON again, the FM2 EM signal is
still abnormal and a trouble detection
signal (24V off/blown fuse) is not
detected.
Operation in case of
warning occurrence
The main body stops
immediately and RL1
(main) is turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS. Main body
control is performed
using previous data.
The machine stops
immediately and RL1
(main) is turned OFF.
Estimated abnormal
parts
DPSB (drum
potential sensor
board)
PRCB (printer
control board)
HV1 (high voltage
unit 1)
HV2 (high voltage
unit 2)
PRCB (printer
control board)
ADUSDB (ADU
stand drive board)
ACDB (AC drive
board)
FM2 (developing
suction)
4 - 56
Page 56
ERROR CODE LIST
Classification
Fan
abnormality
Main body
ADU stand
motor
abnormality
Warning
code
F32-04
F32-05
F32-06
F32-07
F33-01
F33-02
F33-03
F33-04
F33-05
Causes
The FM1 EM signal was abnormal 2
seconds after turning ON of FM1
(paper exit). Two seconds after
turning FM1 OFF and ON again, the
FM1 EM signal is still abnormal and
a trouble detection signal (24V off)
is detected.
The FM1 EM signal was abnormal 2
seconds after turning ON of FM1
(paper exit). Two seconds after
turning FM1 OFF and ON again, the
FM1 EM signal is still abnormal and
a trouble detection signal (blown
fuse) is detected.
The FM1 EM signal was abnormal 2
seconds after turning ON of FM1
(paper exit). Two seconds after
turning FM1 OFF and ON again, the
FM1 EM signal is still abnormal and
a trouble detection signal (24V off/
blown fuse) is not detected.
FM1 (paper exit) EM signal becomes
faulty after completion of printing.
A trouble detection signal is detected
2 consecutive times (the first signal
is ignored) 4 seconds after turning
ON of M12 (registration motor).
When M5 (paper reverse/e xit) which
has been OFF is turned ON, a trouble
detection signal (blown fuse) is
detected.
When M9 (transfer) which has been
OFF is turned ON, a trouble detection
signal (blown fuse) is detected.
When M10 (paper exit) which has
been OFF is turned ON, a trouble
detection signal (blown fuse) is
detected.
When M16 (Web drive) which has
been OFF is turned ON, a trouble
detection signal (blown fuse/24 V off)
is detected.
Operation in case of
warning occurrence
The machine stops
immediately and RL1
(main) is turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS.
The machine stops
immediately and RL1
(main) is turned OFF.
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
copied paper
ejection. RL1 (main)
is turned OFF.
Estimated abnormal
parts
ADUSDB (ADU
stand drive board)
FM1 (paper exit)
M12 (registration)
M5 (paper reverse/
exit)
ADUSDB (ADU
stand drive board)
M9 (transfer)
ADUSDB (ADU
stand drive board)
M10 (paper exit)
ACDB (AC drive
board)
M16 (Web drive)
ACDB (AC drive
board)
ELECTRIC PARTS LIST
4
4 - 57
Page 57
ERROR CODE LIST
Classification
ADU stand
motor
abnormality
Too high
fixing
temperature
abnormality
Main body
Too low
fixing
temperature
abnormality
ELECTRIC PARTS LIST
4
Fixing
sensor
abnormality
Warning
code
F33-06
F34-01
F34-02
F34-03
F34-04
F35-01
F35-02
F36-01
F36-02
Causes
When M16 (Web drive) which has
been OFF is turned ON, error
detection signal (24V off) detected
blown fuse in normal condition.
TH1 (fixing temperature 1) has
detected 210°C or more five
consecutive times at intervals of 1
second.
TH3 (fixing temperature 3) has
detected 230°C or more five
consecutive times at intervals of 1
second.
Overheating (228°C or higher) was
detected for TH1 (fixing temperature
1) and TH2 (fixing temperature 2)
output voltage by the comparator
circuit.
Overheating (228°C or higher) was
detected for TH3 (fixing temperature
3) and TH4 (fixing temperature 4)
output voltage by the comparator
circuit.
TH1 (fixing temperature 1) does not
detect 50°C or higher when 180
seconds have passed since fixing ON
control started at depression of SW1
(main switch).
TH3 (fixing temperature 3) does not
detect 50°C or higher when 180
seconds have passed since fixing ON
control started at depression of SW1
(main switch).
TH1 (fixing temperature 1) has
detected 200°C or higher 30 or more
consecutive times at intervals of 1
second.
TH3 (fixing temperature 3) has
detected 220°C or higher 30 or more
consecutive times at intervals of 1
second.
Operation in case of
warning occurrence
If there is a paper in
copying process
when this jam occurs,
the machine stops
after completion of
copied paper ejection. RL1 (main) is
turned OFF.
The machine stops
immediately. RL1
(main) is turned OFF.
Underheating (-6°C or less) was detected for TH1 (fixing temperature 1)
output voltage by the comparator circuit.
Underheating (-6°C or less) was detected for TH3 (fixing temperature 3)
output voltage by the comparator circuit.
Underheating (-6°C or less) or overheating (240.5°C or more) was detected for TH2 (fixing temperature 2)
output voltage by the comparator
circuit.
Underheating (-6°C or less) or overheating (240.5°C or more) was detected for TH4 (fixing temperature 4)
output voltage by the comparator
circuit.
Operation in case of
warning occurrence
The machine stops
immediately. RL1
(main) is turned OFF.
PS5 (scanner HP) or PS7 (ADF
brake) is not turned ON within 0.5
seconds after start of HP search
operation, or an M13 (scanner drive)
trouble detection signal (24V off) is
detected.
PS5 (scanner HP) or PS7 (ADF
brake) is not turned ON within 0.5
seconds after start of HP search
operation, or an M13 (scanner drive)
trouble detection signal (blown fuse)
is detected.
PS5 (scanner HP) or PS7 (ADF
brake) is not turned ON within 0.5
seconds after start of HP search
operation, or an M13 (scanner drive)
trouble detection signal (24 V off/
blown fuse) is not detected.
During HP search operation, PS5
(scanner HP) is not turned ON within
1 second after turning ON of PS7
(ADF brake). An M13 (scanner drive)
trouble detection signal (24V off) is
detected.
During HP search operation, PS5
(scanner HP) is not turned ON within
1 second after turning ON of PS7
(ADF brake). An M13 (scanner drive)
trouble detection signal (blown fuse)
is detected.
During HP search operation, PS5
(scanner HP) is not turned ON within
1 second after turning ON of PS7
(ADF brake). An M13 (scanner drive)
trouble detection signal (24V off/
blown fuse) is not detected.
During scan-forward operation, PS4
(scanner return) is turned ON before
PS6 (original HP) is turned ON.
Operation in case of
warning occurrence
The machine stops
immediately. RL1
(main) is turned OFF.
During scan-forward operation, PS4
(scanner return) is not turned ON
within 0.13 second after turning OFF
of PS6 (original HP).
After original scanning, PS7 (ADF
brake) is turned ON before PS5
(scanner HP) is turned ON.
The M17 lock signal is not detected
within 25 seconds after an attempt
is made to change the M17 (polygon)
speed. The trouble detection signal
(24V off) is detected.
The M17 (polygon) loc k signal is not
detected within 25 seconds after an
attempt is made to change the M17
(polygon) speed. The trouble
detection signal (24V off) is not
detected.
The FM7 EM signal was abnormal 2
seconds after turning ON of FM7
(scanner cooling). Two seconds after
turning FM7 OFF and ON again, the
FM7 EM signal is still abnormal and
a trouble detection signal (24V off) is
detected.
The FM7 EM signal was abnormal 2
seconds after turning ON of FM7
(scanner cooling). Two seconds after
turning FM7 OFF and ON again, the
FM7 EM signal is still abnormal and
a trouble detection signal (blown
fuse) is detected.
The FM7 EM signal was abnormal 2
seconds after turning ON of FM7
(scanner cooling). Two seconds after
turning FM7 OFF and ON again, the
FM7 EM signal is still abnormal and
a trouble detection signal (24 V off/
blown fuse) is not detected.
The FM5 EM signal was abnormal 2
seconds after turning ON of FM5/8
(write section cooling 1/2). Two
seconds after turning FM5 OFF and
ON again, the FM5 EM signal is still
abnormal and a trouble detection
signal (24 V off) is detected.
The FM5 EM signal was abnormal 2
seconds after turning ON of FM5/8
(write section cooling 1/2). Two
seconds after turning FM5 OFF and
ON again, the FM5 EM signal is still
abnormal and a trouble detection
signal (blown fuse) is detected.
The FM5 EM signal was abnormal 2
seconds after turning ON of FM5/8
(write section cooling 1/2). Two
seconds after turning FM5 OFF and
ON again, the FM5 EM signal is still
abnormal and a trouble detection
signal (24 V off/blown fuse) is not
detected.
At the start of copying, an FM5 (write
section cooling 1/2) trouble detection
signal is detected.
Operation in case of
warning occurrence
The machine stops
immediately. RL1
(main) is turned OFF.
During image write, APC cannot be
performed for sub-scanning beam
correction.
The 12 VDC power for driving the
laser is not supplied. The laser does
not turn ON due to defective MPC or
laser.
The index sensor cannot detect the
laser because the polygon mirror
does not rotate, the index sensor is
displaced, or the index sensor is
defective.
Illegal address of FIFO for scanner.
During image read, image data
compression is not completed
normally.
Illegal address of FIFO for printer.
During image write, image data
expansion is not completed normally .
The FIFO of the compression/
expansion chip caused an error
interrupt.
During image write, the compressed
image data remains after completion
of the expansion process.
Decompression error.
When APC is performed, the index
sensor output does not change.
Compression of the read image and
expansion in the page memory are
not completed within the specified
time after negation of SVV.
During image read, image data
compression from the scanner to the
memory is not completed within the
specified time.
Image data expansion from the
scanner to the page memory is not
completed within the specified time.
SVV is not detected within the
specified time.
Operation in case of
warning occurrence
If copy operation is
being performed, the
main body stops after
paper ejection.
The RL1 (main) is
turned OFF.
Estimated abnormal
parts
Write section
ICB (image control
board) power
connector
ICB (image control
board)
ICB (image control
board)
ICB (image control
board)
ICB (image control
board)
ICB (image control
board)
Write section
Po w er connector of
ICB (image control
board)
ICB (image control
board)
PRCB (printer
control board)
ICB (image control
board)
DF-313
4 - 62
Page 62
ERROR CODE LIST
Classification
Image
control
abnormality
Main body
Warning
code
E46-14
E46-15
E46-16
E46-17
E46-19
E46-21
E46-23
E46-24
E46-25
Causes
During image write, image data
expansion from the memory to the
printer is not completed within the
specified time.
Image data output from the page
memory to the printer is not
completed within the specified time.
PVV is not detected within the
specified time.
During image write, improper
processing was performed. For
example, the expansion device was
accessed although there was no
resource.
During image read, improper
processing was performed. For
example, the expansion device was
accessed although there was no
resource.
During image processing, a filter
coefficient could not be generated
properly.
During access to the memory device,
a software error was detected.
Expansion from the memory to the
page memory is not completed within
the specified time.
Compression from the page memory
to the memory is not completed
within the specified time.
Compressed data transfer between
memories is not completed within the
specified time.
During image read, SVV is not turned
OFF within the specified time and
therefore preparation for next page
scanning cannot be started.
Shading correction error (GA error)
AOC/AGC error
-
The light blocking cov er and lens cover
are removed from the read section.
-
The A/D conversion board connector
is disconnected.
-
The exposure lamp intensity is excessive.
- The exposure lamp does not light.
Operation in case of
warning occurrence
If copy operation is
being performed, the
main body stops after
paper ejection.
The RL1 (main) is
turned OFF.
Estimated abnormal
parts
PRCB (printer
control board)
ICB (image control
board)
ICB (image control
board)
ICB program
ICB (image control
board)
ICB program
ICB (image control
board)
ICB program
ICB (image control
board)
ICB program
PRCB (printer
control board)
ICB program
ELECTRIC PARTS LIST
4
ICB (Image Control
Board)
ICB (Image
Control Board)
ICB program
ADB (A/D
conversion board)
L1 (exposure
lamp)
4 - 63
Page 63
ERROR CODE LIST
Classification
Image
control
abnormality
Main body
ELECTRIC PARTS LIST
4
Warning
code
E46-26
E46-27
E46-29
E46-30
E46-31
E46-32
E46-33
E46-34
E46-60
E46-61
Causes
Correction data saved on a resolution basis is not found.
The density correction γ curve cannot be generated properly.
Calibration start error
Calibration end error
An attempt was made to carry out
APC initial sampling before
completion of MPC.
An attempt was made to perform
MPC during APC.
An attempt was made to make subscan beam correction before
completion of APC or MPC.
An attempt was made to make subscan beam interval correction although
the image write clock was abnormal.
Adjustment of the sub-scan beam
interval failed for the following
reason:
- Defective index sensor
- M24 (laser correction) driving
failure
- Abnormal 12 VDC power supply
- M17 (polygon) driving failure
Scanning started before completion
of original skew correction. (Skew
correction was not in time.)
Operation in case of
warning occurrence
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS.
If copy operation is
being performed, the
main body stops after
paper ejection.
The RL1 (main) is
turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS.
Estimated abnormal
parts
ICB (image control
board)
ICB (image control
board)
ICB (image control
board)
ICB program
ICB (image control
board)
ICB program
ICB (image control
board)
ICB program
ICB (image control
board)
ICB program
ICB (image control
board)
ICB program
ICB (image control
board)
ICB program
Write section
Printing started before correction of
paper mis-centering. (Mis-centering
correction was not in time.)
AGC was retried because of
reduction in exposure lamp intensity,
but no error occurred.
The PWM γ curve could not be
generated properly.
4 - 64
PS1 (paper miscentering)
L1(exposure lamp)
TCSB(toner control
sensor board)
Page 64
ERROR CODE LIST
Classification
Image
control
abnormality
Communication
abnormality
Main body
Warning
code
E46-80
E46-81
E46-82
E46-83
E46-90
E46-91
E
50-01
E
50-02
E
50-03
E
50-04
E
50-05
E
50-10
E
50-11
Causes
The message queue was insufficient
or destroyed.
The parameter value is too large.
The ID of the message queue source
task is undefined.
The message reception event is
undefined.
The access to the memory is illegal.
The header read address is illegal.
Main unit drive serial input error 1.
Serial data is not received from the
main unit drive section within 0.5
second after reception of power-on
ACK.
Main unit drive serial input error 2.
Serial data is not received from the
main unit drive section within 0.5
second after reception of power-on
ACK.
Main unit drive serial input error 3.
Serial data is not received from the
main unit drive section within 0.5
second after reception of power-on
ACK.
Main unit drive serial input error 4.
Serial data is not received from the
main unit drive section within 0.5
second after reception of power-on
ACK.
Drive board communication
reception error detection fault.
A reception error occurred during
reception of drive board serial data,
or a data checksum error or ID
information error occurred four
consecutive times although a resent
request had been issued three times.
Image processing board
communication break error.
Initial data is not received from ICB
(image control board) within 10
seconds after power-on.
Image control board communication
serial reception error detection fault.
Operation in case of
warning occurrence
If copy operation is
being performed, the
main body stops after
paper ejection.
The RL1 (main) is
turned OFF.
The machine stops
immediately. RL1
(main) is turned OFF.
Estimated abnormal
parts
ICB (image control
board)
ICB (image control board)
DIMM contact failure
ICB (image control
board)
PRCB (printer
control board)
ELECTRIC PARTS LIST
4
PRCB (printer
control board)
Drive boards
PRCB (printer
control board)
ICB (image control
board)
ICB (image control
board)
4 - 65
Page 65
ERROR CODE LIST
Classification
Fan
abnormality
Main body
ELECTRIC PARTS LIST
4
Warning
code
F52-01
F52-02
F52-03
F52-04
F52-05
F52-06
Causes
The FM3 EM signal and FM4 EM
signal were abnormal 2 seconds after
turning ON of FM3 (main body
cooling 1) and FM4 (main body
cooling 2). Two seconds after turning
FM3 and FM4 OFF and ON again,
the FM3 EM signal and FM4 EM
signal are still abnormal and a trouble
detection signal (24 V off) is detected.
The FM3 EM signal and FM4 EM
signal were abnormal 2 seconds after
turning ON of FM3 (main body
cooling 1) and FM4 (main body
cooling 2). Two seconds after turning
FM3 and FM4 OFF and ON again,
the FM3 EM signal and FM4 EM
signal are still abnormal and a trouble
detection signal (24 V off) is not
detected.
The FM3 EM signal was abnormal 2
seconds after turning ON of FM3
(main body cooling 1). Two seconds
after turning FM3 OFF and ON again,
the FM3 EM signal is still abnormal
and a trouble detection signal (blown
fuse) is detected.
The FM3 EM signal was abnormal 2
seconds after turning ON of FM3
(main body cooling 1). Two seconds
after turning FM3 OFF and ON again,
the FM3 EM signal is still abnormal
and a trouble detection signal (blown
fuse) is not detected.
The FM4 EM signal was abnormal 2
seconds after turning ON of FM4
(main body cooling 2). Two seconds
after turning FM4 OFF and ON again,
the FM4 EM signal is still abnormal
and a trouble detection signal (blown
fuse) is detected.
The FM4 EM signal was abnormal 2
seconds after turning ON of FM4
(main body cooling 2). Two seconds
after turning FM4 OFF and ON again,
the FM4 EM signal is still abnormal
and a trouble detection signal (blown
fuse) is not detected.
Operation in case of
warning occurrence
The machine stops
immediately. RL1
(main) is turned OFF.
Estimated abnormal
parts
ACDB (AC dr ive
board)
FM3 (main body
cooling 1)
FM4 (main body
cooling 2)
ACDB (AC dr ive
board)
FM3 (main body
cooling 1)
ACDB (AC dr ive
board)
FM4 (main body
cooling 2)
4 - 66
Page 66
ERROR CODE LIST
Classification
Fan
abnormality
Main body
Motor
abnormality
Counter
abnormality
Warning
code
F52-07
F52-08
F52-09
F52-10
F52-11
F53-01
F53-02
F53-03
F53-04
Causes
The FM6 EM signal was abnormal 2
seconds after turning ON of FM6
(main body cooling 3). Two seconds
after turning FM6 OFF and ON
again, the FM6 EM signal is still
abnormal and a trouble detection
signal (24V off) is detected.
The FM6 EM signal was abnormal 2
seconds after turning ON of FM6
(main body cooling 3). Two seconds
after turning FM6 OFF and ON
again, the FM6 EM signal is still
abnormal and a trouble detection
signal (blown fuse) is not detected.
The FM6 EM signal was abnormal 2
seconds after turning ON of FM6
(main body cooling 3). Two seconds
after turning FM6 OFF and ON
again, the FM6 EM signal is still
abnormal and a trouble detection
signal (24V off/blown fuse) is not detected.
At the start of copying, an FM3 (main
body cooling 1) or FM4 (main body
cooling 2) trouble detection signal is
detected.
At the start of copying, an FM6 (main
body cooling 3) trouble detection
signal is detected.
A trouble detection signal has been
detected twice (one signal is ignored) 3
seconds after turning ON of M1 (main).
When C (T) (total counter) which has
been OFF is turned ON, a trouble
detection signal (blown fuse/24 V off)
is detected.
When C (T) (total counter) which has
been OFF is turned ON, a trouble
detection signal (blown fuse) is
detected. A troub le detection signal
(24 V off) is not detected.
When C (K) (key counter) which has
been OFF is turned ON, a trouble
detection signal (blown fuse/24 V off)
is detected.
Operation in case of
warning occurrence
The machine stops
immediately. RL1
(main) is turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection, list output, and
KRDS. However, the
counter does not
function.
Estimated abnormal
parts
ACDB (AC dr ive
board)
FM6 (main body
cooling 3)
ACDB (AC dr ive
board)
FM3 (main body
cooling 1)
FM4 (main body
cooling 2)
ACDB (AC dr ive
board)
FM6 (main body
cooling 3)
M1 (main)
ACDB (AC dr ive
board)
C (T) (total counter)
ACDB (AC dr ive
board)
C (K) (key counter)
ELECTRIC PARTS LIST
4
4 - 67
Page 67
ERROR CODE LIST
Classification
Counter
abnormality
Power
supply
abnormality
Main body
Operation
ELECTRIC PARTS LIST
4
panel
abnormality
Warning
code
F53-05
F53-06
F53-07
F53-08
F53-09
F53-10
F53-11
F53-12
E56-2
F56-11
F56-12
F56-13
Causes
When C (K) (key counter) which has
been OFF is turned ON, a trouble
detection signal (blown fuse) is
detected. A trouble detection signal
(24V off) is not detected.
During serial initial communication, a 12
V blow fuse signal (AC driv e) is detected.
During serial initial communication, a 5
V blow fuse signal (AC drive) is detected.
A 12V trouble detection signal is
detected on PRCB (printer control
board).
An excessive AC voltage error
signal is detected.
During serial initial communication, a 5
V blow fuse signal (DC drive) is detected.
A trouble detection signal (solenoid/
blown motor fuse) is detected at the
time of start. A trouble detection
signal (24V off) is detected.
A trouble detection signal (solenoid/
blown motor fuse) is detected at the
time of start. A trouble detection
signal (24V off) is not detected.
Communication between the ICB
(image control board) and OB1
(operation board 1) does not start
within 30 seconds after SW1 (main)
is turned ON.
When SW1 (main switch) was turned
ON, area which had not been written
by ISW was detected in the operation
section control program (O1).
When SW1 (main switch) was turned
ON, area which had not been written
by ISW was detected in the operation
section control program (O2).
When SW1 (main switch) was turned
ON, area which had not been written
by ISW was detected in the operation
section control program (O3).
Operation in case of
warning occurrence
Error code is not displayed on operation
panel. It is displayed
only on data collection,
list output, and KRDS.
However, the counter
does not function.
The machine stops
immediately. RL1
(main) is turned OFF.
Error code is not displayed on operation
panel. It is displayed
only on data collection,
list output, and KRDS.
The machine stops
immediately. RL1
(main) is turned OFF.
Operation panel does
not display normally.
Estimated abnormal
parts
ACDB (AC drive
board)
C (K) (key counter)
PRCB (printer
control board)
Abnormal voltage
input
PRCB (printer
control board)
Solenoids
Motors
ICB (image control
board)
OB1 (operation
board 1)
O1 program
O2 program
O3 program
4 - 68
Page 68
ERROR CODE LIST
Classification
DF-313
abnormality
RADF
Warning
code
E60-01
E60-02
E60-03
F60-11
F67-01
F67-02
F67-03
F67-04
F67-05
Causes
A resend request was received after
the main unit had sent data in
response to the data resend request
from DF-313.
A checksum error or SRGA reception
error was detected when data was
received in response to the data
resend request which had been sent
at detection of a checksum error or
SRGA reception error (during
reception in the serial communication
mode).
No response to initial communication
request from main body to RADF for
5 seconds after SW1 (main switch)
is turned ON.
When SW1 (main switch) was turned
ON, an area which had not been
written by ISW was detected in the
RADF control program.
PS306 (original registration
detection) fault.
The shift unit does not reach the shift
position or home position within the
specified time.
PS2(tray upper limit) or PS7
(staple paper exit upper limit) does
not go ON within the specified time
after the start of M3(tray up-down)
operation.
PS8 (alignment plate/upper HP)
does not go OFF within the specified
time after the start of M5 (alignment
plate/upper) operation, or does not
turn ON after OFF.
M7(paper exit roller) does not reach the
prescribed speed within the specified
time after the start of its operation.
Opening/closing operation is not
completed within the spe-cified time
after the start of M8(paper exit
opening) operation. (PS12(paper exit
opening) does not go ON or OFF.)
PS11(stapler movement HP) does
not go OFF after the start of
M11(stapler movement) operation.
Or it does not go ON after OFF.
M4 (stapler rotation) abnormality.
Stapler/R rotation abnormality.
Operation in case of
warning occurrence
The main body and
FNS are stopped
immediately. RL1
(main) is turned
OFF.
Estimated abnormal
parts
FNS CB (FNS control
board)
Connector
FNS CB (FNS control
board)
Connector
FNS CB (FNS control
board)
M2 (roller shift)
PS18 (roller shift HP)
FNS CB (FNS control
board)
M3 (tray up-down)
PS2 (tray upper limit)
PS7 (staple paper
exit upper limit)
FNS CB (FNS control
board)
RB (relay board)
M5 (alignment plate/
upper)
PS8 (alignment plate/
upper HP)
FNS CB (FNS control
board)
PS33(clincher HP/F) and PS34(stapler
HP/F) do not go ON within the
specified time after the start of
M23(clincher/F) and M24(stapler/F)
operation.
PS30(clincher HP/F) and PS31(stapler
HP/F) do not go ON within the
specified time after the start of
M21(clincher R) and M22(stapler R)
operation.
M1(FNS conve yance) does not reach
the prescribed speed within the
specified time after the start of its
operation.
PS23(stapling and folding stopper
HP) does not go ON within the
specified time after M14(stapling and
folding stopper) starts operation of
HP detection.
PS24(alignment plate/lower HP)
does not go ON within the specified
time after M15(alignment plate/lower)
starts operation of HP detection.
PS21(stapling and folding stopper
release HP) does not go ON within
the specified time after M17(stapling
and folding stopper release) starts
ope-ration of HP detection.
PS27(folding stopper HP) does not
go ON within the specified time after
M18(folding stopper) starts operation
of HP detection.
Operation in case of
warning occurrence
The main body and
FNS are stopped
immediately. RL1
(main) is turned
OFF.
Estimated abnormal
parts
FNS CB (FNS control
board)
RB (relay board)
M23 (clincher/F)
M24 (stapler/F)
PS33 (clincher HP/F)
PS34 (stapler HP/F)
FNS CB (FNS control
board)
RB(relay board)
M21(clincher/R)
M22(stapler/R)
PS30(clincher HP/R)
PS31(stapler HP/R)
FNS CB (FNS control
board)
M1(FNS conve yance)
FNS CB (FNS control
board)
RB (relay board)
M14 (stapling and
folding stopper)
PS23 (stapling and
folding stopper HP)
FNS CB (FNS control
board)
RB (relay board)
M15 (alignment
plate/lower)
PS24 (alignment
plate/lower HP)
FNS CB (FNS control
board)
RB (relay board)
M17 (stapling and
folding stopper
release)
PS21 (stapling and
folding stopper
release HP)
FNS CB (FNS control
board)
M18 (folding stopper)
PS27 (folding
stopper HP)
ELECTRIC PARTS LIST
4
4 - 71
Page 71
ERROR CODE LIST
Classification
FS-108/BM
abnormality
PI-108
abnormality
FNS
FS-108/BM
abnormality
ISW
abnormality
ELECTRIC PARTS LIST
4
Main body
Warning
code
F77-25
F77-26
F77-41
F77-91
F77-92
F80-01
F80-10
F80-11
F80-12
F80-13
F80-21
F80-30
F80-31
F80-32
Causes
PS22(folding knife HP) does not go
ON within the specified time after
M19(folding knife) starts operation of
HP detection.
M20(folding conveyance) does not
reach the prescribed speed within
the specified time after the start of
its operation.
PS203 (sheet tray lower limit) or
PS204 (sheet tray upper limit) does
not go ON within the specified time
after the start of M201(sheet tray)
operation.
Communication abnormality in FNS
CB(FNS control board) when subCPU receives data.
Communication abnormality in FNS
CB(FNS control board) when main
CPU receives data.
No response from PRCB (printer
control board) for 5 seconds after
SW1 (main switch) is turned ON.
When SW1 (main switch) was turned
ON, an area which had not been
written by ISW was detected in the
printer control program.
When SW1 (main switch) was turned
ON, an area which had not been
written by ISW was detected in the
video I/F printer control program.
When data is transferred by ISW,
normal header information cannot be
received within the specified time.
When data is transferred by ISW, a
checksum error or header error was
detected in the downloaded data.
When data is transferred by ISW,
data cannot be written to the flash
ROM properly.
Operation in case of
warning occurrence
The main body and
FNS are stopped
immediately. RL1
(main) is turned OFF.
RL1 (main) is turned
OFF.
Estimated abnormal
parts
FNS CB (FNS control
board)
M19 (folding knife)
PS22 (folding knife
HP)
FNS CB (FNS control
board)
M20 (folding
conveyance)
FNS CB (FNS control
board)
DB(PI drive board)
M201(sheet tray)
PS203(sheet tray
lower limit)
PS204(sheet tray
upper limit)
FNS CB (FNS control
board)
FNS CB (FNS control
board)
PRCB (printer control board)
C1 program
C2 program
C3 program
C4 program
Video I/F program
Printer cable
Defective printer
cable
Program file error
Printer cable
Program transfer
destination board.
4 - 72
Page 72
ERROR CODE LIST
Classification
ADU stand
abnormality
Main body
Warning
code
E90-01
E90-02
F93-01
F93-02
F93-03
F93-04
F93-05
F93-06
Causes
ADU drive serial input error 1. Serial
data cannot be received from
ADUSDB (ADU stand drive board) 0
(ID) within 0.5 second when SW1
(main switch) was turned ON.
ADU drive serial input error 1. Serial
data cannot be received from
ADUSDB (ADU stand drive board) 7
(ID) within 0.5 second when SW1
(main) was turned ON.
A -5 V or 12 V blown fuse signal is
detected during serial initial
communication.
A -5 V or 12 V blown fuse signal is
not detected during serial initial
communication.
When M8 (ADU conveyance )
which has been OFF is turned ON,
a trouble detection signal (blown
fuse) is detected.
When M7 (ADU reverse) which has
been OFF is turned ON, a trouble
detection signal (blown fuse) is
detected.
A trouble detection signal (solenoid/
blown motor fuse) is detected at the
time of start. A trouble detection
signal (24 V off) is detected.
A trouble detection signal (solenoid/
blown motor fuse) is detected at the
time of start. A trouble detection
signal (24 V off) is not detected.
Operation in case of
warning occurrence
RL1 (main) is turned
OFF.
The FNS/main body
stops immediately
and RL1 is turned
OFF.
If there is a paper in
copying process when
this trouble occurs, the
machine stops after
completion of paper
ejection. RL1 (main) is
turned OFF.
The machine stops
immediately and RL1
(main) is turned off.
Estimated abnormal
parts
ADUSDB (ADU
stand drive board)
ADUSDB (ADU
stand drive board)
ADUSDB (ADU
stand drive board)
M8 (ADU conveyance)
M7 (ADU reverse)
Solenoids
Motors
ELECTRIC PARTS LIST
4
4 - 73
Page 73
TIMING CHART
Output 1
Output 2
Main motor
Paper feed motor
Feed clutch 1
Pre-registration clutch 1
Loop roller motor
Registration clutch
Drum motor
Developing motor
Paper reverse/exit motor
Paper exit motor
ADU reverse motor
ADU conveyance motor
ADU pre-registration clutch
Paper reverse gate solenoid
Paper pre-registration sensor
Vertical conveyance sensor 1
Loop sensor
Registration sensor
Leading edge detection sensor
Fixing exit sensor
Paper reverse sensor
ADU paper reverse sensor
Paper exit sensor
ADU deceleration sensor
ADU Pre-registration sensor
Copying starts
ADU exit sensor
Developing bias
Transfer
Separation
Guide plate
Separation claw drive solenoid
Pre-charge exposure lamp
Charging
Item
Time (sec)
M1
Symbol
M4
MC3
MC4M6MC1
M2
M3
SD4
PCL
M5
M10
M7
M8
MC2
SD2
PS48
PS18
PS54
PS44
PS45
PS2
PS57
PS61
PS58
PS59
PS60
PS46
High
Low
High
LowFR
High
Low
High
LowFR
High
Low
0
1
2
3
4
5
6
78
9
(sec)
min380ms
timer
300ms
70ms
timer
timer
timer
timer
timer
timer
timer
timer
timertimertimertimer
timer
timertimer
timertimer
timertimer
timertimer
timer
7075 TIMING CHART (A4, LIFE SIZE, TWO
ORIGINALS, TWO SHEETS SET, TRAY 1)
ELECTRIC PARTS LIST
4
4 - 74
Page 74
UP
DOWN
800mm/s
370mm/s
350mm/s
R
F
569mm/s
370mm/sF370mm/s
569mm/sR569mm/s
370mm/s
F
370mm/s
569mm/s
R
M303
PS315
PS316
PS310
PS305
PS306
PS308
PS309
PS307
M302
M301
PS304
SD302
SD301
M304
PS313
PS314
SD303
M305
569mm/s
370mm/sF370mm/s
250mm/s
569mm/s
R
0
1
23
4
56
78
9
10
(sec)
Symbol
Item
Time (sec)
Tray up/down drive motor
Tray upper limit detection PS
Tray lower limit detection PS
Original count detection PS
No original detection PS
Original feed motor
Original registration detection PS
Original conveyance detection PS
Original conveyance motor
Original exit motor 1
Original
reversal detection PS
Original exit
PS 1
Reverse jam detection PS
Pressure roller release SD
Flapper drive SD
Original exit motor 2
Original exit
reverse detection PS
Original exit
PS 2
Original exit
gate SD
V-VALID signal
Copying starts
First
document
scanned
Second
document
scanned
Third
document
scanned
Last document ejection completed
TIMING CHART
DF-313 TIMING CHART (A4, SINGLE SIDE
ORIGINALS, THREE SHEETS)
ELECTRIC PARTS LIST
4
4 - 75
Page 75
UP
DOWN
800mm/s
370mm/s
350mm/s
R
F
569mm/s
370mm/sF370mm/s
569mm/s
R
569mm/s
370mm/sF370mm/s
569mm/s
R
569mm/s
370mm/s
F
370mm/s
250mm/s
569mm/s
R
0
12
34
5
67
8
910
(sec)
M303
PS315
PS316
PS310
PS305
PS306
PS308
PS309
PS307
M302
M301
PS304
SD302
SD301
M304
PS313
PS314
SD303
M305
Symbol
Item
Time (sec)
V-VALID signal
Copying starts
First document
front scanned
First
document
back scanned
Second document
front scanned
Second
document
back scanned
Third document
front scanned
Third document back scanned
Last document ejection completed
Tray up/down drive motor
Tray upper limit detection PS
Tray lower limit detection PS
Pressure roller release SD
Flapper drive SD
Original exit
PS 2
Original count detection PS
No original detection PS
Original feed motor
Original registration detection PS
Original conveyance detection PS
Original conveyance motor
Original exit motor 1
Original
reversal detection PS
Original exit
PS 1
Reverse jam detection PS
Original exit motor 2
Original exit
reverse detection PS
Original exit
gate SD
TIMING CHART
DF-313 TIMING CHART (A4, DOUBLE SIDE
ORIGINALS, THREE SHEETS)
ELECTRIC PARTS LIST
4
4 - 76
Page 76
M101
MC101
MC102
PS107
PS106
SD100
012
(sec)
Symbol
Item
Time (sec)
LT paper feed motor
LT feed drive clutch
LT first paper feed solenoid
LT first paper feed clutch
LT first paper feed
detection sensor
LT feed detection sensor
Loop amount
Copying starts
TIMING CHART
LT-401 TIMING CHART (A4, Two papers)
ELECTRIC PARTS LIST
4
4 - 77
Loading...
+ hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.