Read Sharp AR-C170 (serv.man23) Service Manual online
AR-C170M EXTERNAL VIEW AND INTERNAL STRUCTURE 6 - 5
E. Cross section
No.
Parts
Note
Name
Function
1
No. 3 mirror
Leads a document image to the CCD.
2
No. 2 mirror
Leads a document image to No. 3 mirror.
3
No. 1 mirror
Leads a document image to No. 2 mirror.
4
Scanner lamp
Radiates light on a document for the CCD to scan the document image.
5
Yellow toner cartridge
Attaches yellow toner to electrostatic latent images on the
photoconductor.
photoconductor.
6
Magenta toner cartridge
Attaches magenta toner to electrostatic latent images on the
photoconductor.
photoconductor.
7
Cyan toner cartridge
Attaches cyan toner to electrostatic latent images on the photoconductor.
8
Black toner cartridge
Attaches black toner to electrostatic latent images on the photoconductor.
9
Discharge lamp
Discharges the photoconductor.
10
Main charger unit
Charges the magenta photoconductor negatively.
11
LED unit
Converts the color component image signal sent from the ICU PWB into
LED light, and radiate it to the OPC drum.
LED light, and radiate it to the OPC drum.
12
Doctor blade
Regulates the toner quantity on the developing roller.
13
Supply roller
Supplies toner to the developing roller.
14
Developing roller
Attaches toner to the photoconductor.
15
Cleaning blade
Cleans residual toner from the photoconductor.
16
OPC drum unit
Forms electro-static latent images.
17
CCD lens
Reduces document images (light) and projects it to the CCD.
18
CCD PWB
Reads document images (photo signals) and converts them into electrical
signals.
signals.
19
Transfer roller (K)
Applies the transfer voltage to the transfer belt.
20
Transfer roller (C)
Applies the transfer voltage to the transfer belt.
21
Transfer roller (M)
Applies the transfer voltage to the transfer belt.
22
Transfer roller (Y)
Applies the transfer voltage to the transfer belt.
37
39
36
38
40
41
42
44
43
45
46
48
47
49
50
52
51
57
58
59
53
54
56
55
24
25
26
18
72
71
69
68
8
7
29
28
27
2
1
3
4
5
6
17
61
9
11
12
13
15
10
14
19
16
60
20
62
65
74
73
77 76
66
75 70 67
63,64
21
22
23
30
31
34
35
32
33
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