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BJC-50
Part 5: Maintenance
1
2
3
4
5
6
7
8
9
10
A
B
C
D
E
F
G
CONTROL PCB ASS’Y 05
Vcc1
Vpp
VH
VH
Vcc1
Vcc1
Vcc1
CRREF2
BCRM
BCRM
MTSTB
Q22
1
2
3
3
2
1
Q23
R94
10K,1/16W
R95
0.39,1/2W
R96
0.39,1/2W
R97
1.6K,1/16W
C70
0.1
µ
,25V
R102
15K,1/16W
C71
0.01
µ
,50V
C72
0.1
µ
,25V
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OA
OA
SGA
Sen.A
GND
GND
VrefA
PhA
PhA
Sth.
VM
OB
OB
SGB
GND
GND
Sen.B
VrefB
PhB
PhB
Carriage Motor Driver
IC12
C74
0.1
µ
,25V
C75
33
µ
,25V
R103
15K,1/16W
C76
0.01
µ
,50V
R98
1.6K,1/16W
R99
0.39,1/2W
R100
0.39,1/2W
C73
0.1
µ
,25V
R101
10K,1/16W
CNCR1
4
3
1
2
B
B
A
A
CNLF1
1
3
4
2
5
COM
A
A
B
B
CRREF1
ACRM
ACRM
W-HT
TOPCC
ZD12
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
I1
I2
I3
I4
I5
I6
I7
GND
O1
O2
O3
O4
O5
O6
O7
COM
Paper Feed Motor Driver
IC15
C78
1
µ
,10V
R107
0.68,1/2W
D12
WHEAT
TOPC
ALFM
ALFM
LF-PRT
1
2
3
4
8
7
6
5
tpout
xout
xin
vss
vdd
sio
sck
cs
TIMER IC
IC13
X3
32.768KHz
R104
10K,1/16W
R106
10K,1/16W
D11
E-DO
1
2
3
4
8
7
6
5
NC
Vcc
CS
SK
NC
GND
DO
DI
EEPROM(2M)
IC14
R77
0.01
µ
,50V
R105
5.6K,1/16W
T-OE
E-OE
TE-CLK
TE-DIO
<02-A4>
<02-A4>
<02-A5>
<02-A5>
<02-A4>
<02-A4>
<02-F3>
<02-C1>
<02-C1>
<01-D10>
<02-A5>
<02-A4>
<02-B7>
<02-C7>
<02-A4>
<02-A4>
<02-A4>
<02-A4>
<02-A4>
MCH1
V2-ONC
MCH0
V3-ONC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
I1
I2
I3
I4
I5
I6
I7
GND
O1
O2
O3
O4
O5
O6
O7
COM
IC16
MCHE1
V2-ON
MCHE0
V3-ON
BLFM
BLFM
<02-A4>
<02-F1>
<02-C1>
<02-C1>
<02-B7>
<01-D8>
<02-A4>
<02-F6>
<02-B7>
<01-C10>
CNSEN1
6
7
1
2
5
4
3
Q24
2
1
3
Vcc1
R108
18K,1/16W
C80
1000p,50V
R110
22K,1/16W
R112
100K,1/16W
R113
180,1/10
R111
220,1/16W
PES
<02-F3>
HPS
<02-F3>
Vcc1
Vcc3
R109
18K,1/16W
R79
0.01
µ
,50V
CP1
CP2
<01-F3>
5-45
Summary of Contents for BJC-55 Series
Page 24: ...0498 AB 2 00 0...
Page 25: ......
Page 36: ......
Page 52: ......
Page 75: ...Code page 860 Code page 863 2 23 BJC 50 Part 2 Product Specifications...
Page 76: ...Code page 865 Code page 857 Part 2 Product Specifications BJC 50 2 24...
Page 77: ...Code page 855 Code page 852 2 25 BJC 50 Part 2 Product Specifications...
Page 78: ...Code page 864 Code page 869 Part 2 Product Specifications BJC 50 2 26...
Page 80: ......
Page 108: ...This page intentionally left blank Part 3 Operating Instructions BJC 50 3 28...
Page 110: ......
Page 162: ......
Page 166: ...4 ADJUSTMENT No parts need to be adjusted Part 5 Maintenance BJC 50 5 4...
Page 201: ...7 1 2 Control board Lower section 5 39 BJC 50 Part 5 Maintenance...
Page 202: ...Part 5 Maintenance BJC 50 5 40 This page intentionally left blank...
Page 208: ......
Page 209: ...PRINTED IN JAPAN IMPRIME AU JAPON CANON INC The printing paper contains 70 waste paper...
Page 211: ...0398 SE 2 00 0...
Page 212: ......
Page 216: ...III...
Page 219: ...B 1 2 1 1 4 5 See FIGURE 7 3 6 7 PRINTER SET FIGURE 1 B PARTS LAYOUT PARTS LIST...
Page 223: ...B 5 1 2 S3 S2 S4 S3 S3 3 4 FIGURE 3 CONTROL BOARD...
Page 225: ...B 7 1 S2 2 4 3 FIGURE 4 PRINT UNIT LOWER CASE UNIT...
Page 227: ...B 9 4 4 4 4 3 3 3 3 2 S2 1 FIGURE 5 PRINTER BASE UNIT...
Page 229: ...B 11 FIGURE 6 CONTROL BOARD COMPONENT TOP VIEW BOTTOM VIEW...
Page 237: ...B 19 FIGURE 7 AC ADAPTER 2 3 4 5 1...
Page 240: ...C 2 This page intentionally left blank...
Page 241: ...T1 FIGURE 8 TOOL D 1 D TOOL...
Page 247: ...E 5 This page intentionally left blank...
Page 248: ......
Page 249: ...PRINTED IN JAPAN IMPRIME AU JAPON CANON INC The printing paper contains 70 waste paper...