Canon NP-70 Service Manual page 27

NP•70
2.1 BREAKDOWN OF THE NP-70
The Canon NP-70 is a highly unitized copier, with the majority of assemblies being easily remova-
ble from the copier. Fig. 2-1 shows these assemblies and their relative positions within the copier
body. Additionally, a reference is provided indicating the section within this manual which des-
cribes the assembly.
g
3
8
5
8
8
10
11
12
13
1
1
19
3
39
Jam Detection Circuit —see 3.2-3 & 3.4-8
Time Circuit
Rectification Circuit —see 3.4-3
Reciprocation Circuit
Heater Wait Control Circuit —see 3.4-5
Copyboard Driving Mechanism Assembly —see 4.17
Main Motor Assembly
A.T.R. Subassembly —see 4.6
Developer Controller Assembly —see 4.6
Paper Feed Controller Assembly —see 4.10
Heater Control Circuit —see 3.4-9 & 3,.4-10
Developer Assembly —see 4.6
Air Input Blower Assembly —see 4.14
Suction Blower Assembly —see 4.14
Cassette Holder Assembly —see 4.8
Safety Assembly —see 4.16
Premix Valve Subassembly
Toner Valve Subassembly —see 4.6
Exposure Mask Subassembly —see 4.3
Optical Assembly —see 4.3
Copy Selector Subassembly —see 4.15
Control Panel Assembly
Microswitch Mounting Assembly
Heater Assembly —see 4.13
Paper Separating Subassembly —see 4.12
Copyboard Assembly —see 4.1
Cover Subassembly —see 4.1
Transfer Corona Assembly —see 4.5
Copy Conveying Assembly —see 4.11
Cassette Assembly —see 4.9
Residual Charge Eliminator Assembly —see 4.5
Paper Pickup Roller Assembly —see 4.10
Paper Feed Cam Subassembly —see 4.10
Negative Corona Assembly —see 4.5
Drum Assembly —see 4.4
A.C. Corona Assembly —see 4.5
Positive Corona Assembly —see 4.5
Drum Cleaner Assembly —see 4.7
Illumination Assembly —see 4.2
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