Centronics 352 Manuals

Manuals and User Guides for Centronics 352. We have 1 Centronics 352 manual available for free PDF download: Technical Manual

Centronics 352 Technical Manual (133 pages)

Brand: Centronics | Category: Printer | Size: 9.94 MB

Table of Contents
5
1 • 1 Scope of this Manual
11
Model 352 Printer
11
1.2 General Description
11
General Information
11
Major Assemblies Model
12
Physical Description
13
- Printing Mechanism
  13
- Paper Handling Mechanism
  13
- Electronics
  13
- Power Supply
  13
Character Printing/Paper Motion
14
- Paper Motion
  15
- Special Functions
  15
Printer Operation
14
- Character Printing
  14
Related Publications
15
- Unpacking/Repacking Instructions
  15
- Users Manual
  16
- Illustrated Parts Manual
  16
Specifications
16
General
20
Theory of Operation
20
Basic Printer Operation
20
Format Controller Bus Structure
22
Format Controller Block Diagram
25
- Parallel Interface
  27
Parallel Interface Timing Diagram
27
- Serial Interface
  28
- 8085 Microprocessor System
  29
- Character Generator
  29
- Data Buffer
  29
  - C-RAM
    30
C-Bus Data Interface Cable
30
Print Controller
32
- Data Arguments Definition
  32
- Status Bytes
  33
- Paper Motion Argument Description
  34
- Printer Status Byte
  34
- Self-Test Status Byte
  35
- Accumulated Paper Motion Steps
  36
- Pape·r Motion Steps Remaining after Abort
  36
- Reverse Paper Motion before Print
  36
- Forward Paper Motion before Print
  36
- Pr Int Colilmand
  37
- Reverse Paper Motion after Print
  37
- Forward Paper Motion"After Print
  38
- Print Density/Ty'pe
  38
- Matrix Size
  38
- Inter-Character Skip
  39
Positional Information and Use
39
- Standard Character Placement
  39
- Graphic Mode
  40
Character Pattern Generation
40
Stepper Driwr
42
Steppermotor Driver
43
Carriage Servo System
44
- Maintenance
  47
Printed Circuit Board Marking
47
- Printer Configuration
  48
3. 1 Maintenance Summary
47
Printer Marking and Configuration
47
- Printer Nameplate
  47
- Printed -Circuit. Boat'D Marking
  47
Printer Features DIP Switch S3
49
Printer Features Dip Switch S1
49
Printer Features Dip Switch S2
51
- Printer Features Dip Switch S4
  52
Preventive Maintenance
53
Troubleshooting Guide
54
3. 5 Error Indicators
55
Self-Test
55
Self-Test Printout
56
ADJUSTMENT Stjmmary
57
Carriage Drive
57
Adjustments
57
Carriage Drive Motor Belt Adjustment
58
Carriage Drive Belt Adjustment
58
Carriage Drive Belt
59
Paper Drive Belt
59
Paper Drive Belt Adjustment
59
Tractor Gear Backlash Adjustment
60
Tractor Gear Backlash
60
Paper Empty Switch
61
Optical Sensor and Encoder/Timing Disc
61
Paper Empty Switch Adjustment
61
Disc
62
- Electrical Adjustment, Optic Sensor and Encoder/Timing
  63
Horizontal Offset Adjustment
64
Horizontal Offset Print Sample
64
Horizontal Offset Dip Switch
66
5. 1 Removal/Replacement, Recommended Spares
67
Paper Rack Outlet Assembly
67
Removal/Replacement
67
Paper Rack Inlet
68
Cover Assemblies
68
Removal/Replacement Paper Rack Outlet Assembly, Paper
69
Cover Interlock Magnet
70
Ribbon Cassette and Guide
70
Print Head Assembly
70
Removal/Replacement, Ribbon Cassette and Guide, Print Head Assembly
71
Head Flex Cable
72
Removal/Replacement, Head Flex Cable
72
Head Adapter Pcb
73
Removal/Replacement, Head Adapter Pcb
73
Removal/Replacement, Print Mechanism
75
Print .Mechanism
76
Dust Cover
76
Removal/Replacement Dust Cover
76
Carriage Drive Motor Belt
77
Carriage Drive Belt
77
Removal/Replacement, Carriage Drive Motor Belt Carriage Drive Belt
78
Carriage Drive Motor and Ribbon Drive Motor Mounting
79
Removal/Replacement; Carriage Drive Motor and Ribbon Drive Motor Mounting Bracket
79
Removal/Replacement, Carriage Drive Motor
79
Opi'IC Sensor Assembly
80
Bracket
80
Removal/Replacement, Optic Sensor Assembly
80
Carriag~ Drive Motor
81
Encoder/Timing Disc
82
Removal/Replacement, Encoder/Timing Disc
82
Ribbon Drive Motor
83
Removal/Replacement, Ribbon Drive Motor
83
Cover Interlock Switch
84
Removal/Replacement, Cover Interlock Switch
84
Paper Drive Belt
85
Removal/Replacement, Paper Drive Belt
85
1 PAPER DRI'VE Mo'l'or
86
5.22 Tractor Assemblies, Left/Right
87
Removal/Replacement, Tractor Assemblies
87
PAPER EMPTY' Swi'l'ch
88
Removal/Replacement, Paper Empty Switch
88
Power Supply Assembly
89
Format/Controller Cable
89
Print Controller Pcb
90
Format Controller Pcb
90
Removal/Replacement Pico.fuse
92
Pico Fuse
92
Removal/Replacement, ON/OFF Switch
93
9 On/Off Swi '!'Ch
93
Removal/Replacement, Main Fuse and Power Cord
94
5.30 Main Fuse
94
Removal/Replacement, Cover Latch Springs
95
5.32 Recommended Spare Parts Listing
96
- Field Installable Options/Accessories
  98
6. 1 Printer Options/Accessories
98
Schematic Diagram, Format Controller
100
Schematic Diagram, Print Controller
101
Schematic Diagram, Print Controller (64000160-9001) (Sheet 2
102
- SCHEMATIC DIAGRAM, PRINT CONTROLLER 64000160-9001 (Sheet 3 of 7)
  103
Schematic Diagram, Print Controller
103
Schematic Diagram, Print Controller (64000160-9001) (Sheet 4
104
Schematic Diagram, Print Controller (64000160-9001) (Sheet 5
105
SCHEMATIC DIAGRAM, PRINT CONTROLLER 64000160-9001 (Sheet 6 of 7)
106
Schematic Diagram, Print Controller {64000564-9001) (Sheet 5
112
Schematic Diagram, Format Controller
115
Wiring Diagram, Model 352
121
- Assembly Diagram, Print Controller
  122
Assembly Diagram, Print Controller 64000564-8001
123
Assembly Diagram, Format Controller (63180247-8001)
124
Printer
125
B. 1 General Information
125
Appendix Binterface Information
125
Parallel Interface Connection
126
Normal and Busy Timing, Parallel Interface
126
Serial Interface Connection
127
- Parallel and Serial Interface Connectors
  128
C. 1 Control Panel Switches and Indicators
129
Appendix Ccontrol Panel Switches and Indicators
129

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