Printer/Paper Feeder - Canon imageCLASS LBP6780dn Service Manual
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Also See for imageCLASS LBP6780dn:
- Quick setup manual (2 pages) ,
- Quick setup manual (2 pages) ,
- Service manual (45 pages)
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General Circuit Diagram
■ Printer/Paper feeder
10
9
Fixing
Delivery Sensor
Fixing Heater
PS2
120V ONLY
1
2
3
F
2
1
J2
H1
J15
1
2
TB1
J24H
3
2
1
J24
1
2
3
J22
TB2
E
2
1
9
8
J1002
J1608
J1602
J1601
J1604
J1703
D
1
2
1
2
1
2
3
1
2
SL
SL
SL1
SL2
Multi-purpose
Cassette
Pickup Solenoid
Pickup
J1703
J200
TAG1
Solenoid
TAG
MEMORY
PS205
C
Multi-purpose
Tray Media
Presence Sensor
HEATER
2
B
H2
Fixing Heater
J15B
1
2
TB1B
TB2B
A
2
1
J1002B
10
9
8
7
Fixing Unit
Sub Fan
FM2
Rear
Fixing Motor
Main Motor
Cover
Sensor
3
2
1
M8003
M8002
PS8001
6
5
4
3
2
1
J19
J8010L
J18H
M
M
3
2
1
1
2
3
4
5
6
1
2
3
1
2
J18
J8003
J8002
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
J8010DH
J8010D
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
7
6
5
4
3
2
1
10 9
8
J1504
J1503
J1603
J1605
J1612
1
2
3
1
2
3
4
5
6
1
2
J6
J3
3
2
1
3
2
1
PS1
PS3
Face-up
Cassette Media
FT1
FT2
Sensor
J4
SW501
J230
3
2
1
SW235
Presence Sensor
3
2
PS4
<NC=1>
1
2
Cartridgi Door
Face-down Tray
Cassette Presence
Switch
Media Full Sensor
Switch
Paper Fedder
Media Presence Sensor
HEATER
1
2
1
H3
Fixing Heater
J15C
1
2
TB1C
Paper Feeder Cassette
TB2C
Sensing Switch
2
1
J1002C
Option Feeder
8
7
6
5
Laser Scanner Unit
+3.3V
GND
Laser
SIO_TXD
Scanner
Operation
SIO_RXD
Motor
+5V
Panel
M3
BD PCB
GND
/HDD1
M
+3.3R
/RESET_PANEL
J100
J12
/PNL_SW
13
1
2
3
4
/PNLINT
3
J8001
J9999
1
2
3
4
5
6
J9999H
13
7
6
5
4
3
2
1
6
5
4
3
2
1
J1505
J1501
J1702
Engine Controller PCB
J1302
J1802
J1801
J1803
1
2
3
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
2
1
J1301
SW1301
J280
1
2
TH3
12
J8007D
Power Switch
Environment Sensor
J8007DA
J8007LA
12
J8007L
12
11
10
9
8
7
6
5
4
3
2
1
+3.3V
SOLD18
(V)
J401
PFEDS1
GND
SOLD19
(W)
(R)
PSNS1
SOLD20
+3.3V
Paper Feeder Relay PCB
Paper Feeder
+24U
Pickup Solenoid
SL1
+24U
/OPFTRAYS1
SOLD21
(GY)
J402
GND
SOLD22
(GY)
1
2
3
4
5
6
7
8
12
J8009D
J8009DA
6
5
4
3
2
Main Controller PCB
J1
J2
21
1
2
3
4
21
J1701
TB1001
TB1002
J1610
J1606
29
1
2
3
SOLD1001
SOLD1002
INL1001
1
2
3
FM1
29
Main Fan
J501
High-voltage Power Supply PCB
Duplex Media
TB505
TB506
TB507
Feed Sensor
PS502
DEV
TR
FSRB
TB508
TB509
TB510
Paper Feeder
Media Feed Sensor
FILMB
PA1
PA2
J8008
J513
J507
GND
1
2
3
1
2
3
CL1
Paper Feeder
Pickup Clutch
J220
J210
PS225
PS215
Media Width
TOP Sensor
Sensor
4
3
2
6-3
1
F
E
D
C
J107
J502
B
FT4
FT3
A
1
F-6-2
6-3
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Table of Contents
Troubleshooting
