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MPS 1224C
Commodore MPS 1224C Dot Matrix Printer Manuals
Manuals and User Guides for Commodore MPS 1224C Dot Matrix Printer. We have
1
Commodore MPS 1224C Dot Matrix Printer manual available for free PDF download: Service Manual
Commodore MPS 1224C Service Manual (104 pages)
Brand:
Commodore
| Category:
Printer
| Size: 5 MB
Table of Contents
Contents
2
Introduction
4
Specifications
5
Functional Description
8
Mechanical Functions
8
Print Head
9
Print Head Movement
10
Ribbon Drive
11
Paper Feed
12
Clutch Lever
13
Sensors
14
Home Position Sensor
14
Paper End Sensor
15
Auto Load Switch Sensor
15
Electronic Functions
16
Power Supply Unit
17
Noise Filter Block
17
Rectification Circuit Block
17
Converter Circuit Block
18
Overvoltage Protection Circuit Block
18
Bias Circuit Block
18
Output Voltage Detection Circuit
19
Power Supply Circuit Diagram
19
Control Module
20
MPU and Related Circuit
20
Memory Configuration
20
Main Control P.W.B.
21
Reset Circuit
21
Head Drive Circuit
22
Carriage Motor Drive Control Circuit
23
Paper Feed Motor Drive Control Circuit
24
Interface - Parallel I/O
25
Data Transfer Timing Chart
25
Interface-Serial I/O
27
Self-Test Mode
28
Test Modes
28
Hex Dump Mode
29
Software and Hardware Ident
29
Disassembly and Reassembly
30
Removing the Top Casing
31
Removing the Power Supply Unit
34
Removing the Main Control P.W.B.
35
Disassembly and Reassembly of Printer Mechanism
37
Removing the Print Head
37
Mounting and Adjusting the Print Head
39
Removing the Carriage Stepping Motor Block
41
Mounting the Carriage Stepping Motor Block
43
Removing the Paper Feed Stepping Motor Block
46
Maintenance
50
Tools and Measuring Instruments Required
50
Cleaning
50
Lubrication
51
Troubleshooting
52
Spare Parts and Schematics
55
General Parts
56
Printer Mechanism Parts
58
Tractor Unit Parts
60
Power Supply P.W.B.
62
Memory P.w.b.
85
Removing the Colour Unit
88
Color Printing Adjustment
89
Fuse Replacement
89
Colour Unit Parts
90
Colour P.W.B.
92
Sheet Feeder
94
Single-Bin Sheet Feeder Parts
95
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