Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
Centronics Manuals
Printer
351
Technical manual
Centronics 351 Technical Manual
Hide thumbs
1
2
3
4
Table Of Contents
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
page
of
118
Go
/
118
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Section 1-General Information
Scope
General Description
Physical Description
Printing Mechanism
Paper Handling Mechanism
Electronics
Power Supply
Printer Operation
Character Printing
Paper Motion
Special Functions
Related Publications
Unpacking/Repacking Instructions
Users Manual
Illustrated Parts Manual
1-3 Characterprinting/Papermotion
1-2 Major Assembliesmodel351
8085 Microprocessor System
General
Model 351 Basic Functional Block Diagram
Memory/ Interface
Parallel Interface
Data Strobe
Data Lines
Input Prime
Acknowledge
Busy
Demand
Out
Paper Empty
Select
Fault
Program Memory
Random Access Memory
2-2
Current Loop Option
Line Transceivers
Motor Drive Circuits
Carriage Motor Drive
Ribbon Motor Drive
Paper Feed Motor Drive
Serial Data Connector
Serial Interface
Carriage Drive and Ribbon Drive Circuits
Paper Feed Stepper Motor Driver
DC Power Requirements
Print Head Drive Circuit
Printer Interlock Circuit
Programmable Interval Timer Circuit
Video Timing Circuit
TACH ( - ) and TACH ( +) Signals
Data Link
Basic Troubleshooting
Self-Test Printout
Maintenance Summary
Section 3-Maintenance
Troubleshooting Flow Charts
Troubleshooting Guide
3-3
No Print Head Movement on Power-Up Troubleshooting Flow Chart
Control Panel Switches and Indicators Troubleshooting Flow Chart (Sheet 1 of 3)
Control Panel Switches and Indicators Troubleshooting Flow Chart (Sheet 2 of 3)
Control Panel Switches and Indicators Troubleshooting Flow Chart (Sheet 3 of 3)
3-3 Basictroubleshootingflow Chart(Sheet2 of 2)
3-4 no Power-Up(Deadprinter)Troubleshootingflowchart
3-8 Print Headmovement,Papermovement,No Printouttroubleshooting
3-7
Broken Characters (Missing Dots) Troubleshooting Flow Chart
Missing or Wrong Characters Troubleshooting Flow Chart
Preventive Maintenance
Printer Markings
Printed Circuit Board Markings
Printer Nameplate
Printed Circuit Board Marking
Adjustment Summary
Carriage Drive Belt
Carriage Drive Belt Adjustment
Section 4-Adjustments
Carriage Drive Motor Belt
Carriage Drive Motor Belt Adjustment
Paper Drive Belt
Tractor Gear Backlash
Tractor Gear Backlash Adjustment
4 Optical Sensor and Encoder/Timing Disc
Mechanical Adjustment
Paper Drive Belt Adjustment
Paper Empty Switch
Paper Empty Switch Adjustment
Mechanical Adjustment, Optical Sensor and Encoder /Timing Disc
Electrical Adjustment
Horizontal Offset
Horizontal Offset Dip Switch
Horizontal Offset Print Sample
Removal/Replacement, Recommended Spares
Section 5-Removal/Replacement
Cover Assemblies
Top Cover
Rear Cover
Body Cover
Cover Interlock Magnet
Paper Inlet Rack
Paper Outlet Rack Assembly
Head Flex Cable
Print Head Assembly
Ribbon Cassette and Guide
Head Adapter Pcb
Printer Mechanism
Tilting Printer Mechanism
Removing Printer Mechanism
Tilting Printer Mechanism
Removing Printer Mechanism
Dust Cover
Carriage Drive Belt
Carriage Drive Motor Belt
Optic Sensor Assembly
Carriage Drive Motor
Removal/Replacement, Carriage Drive Motor
Encoder/Timing Disc
Ribbon Drive Motor Mounting Bracket
Cover Interlock Switch
Ribbon Drive Motor
Paper Drive Belt
Removal/Replacement, Paper Drive Belt
Paper Drive Motor
Paper Empty Switch
Tractor Assemblies, Left I Right
On/Off Switch
Cover Latch Springs
Main Fuse
Power Cord
Pico Fuse
Formatter/Controller Pcb
Power Supply Assembly
Recommended Spare Parts Listing
Section6-0Ptions/Accessories
Accessories
General
Options
Appendix Aelectrical Drawings
Assembly Drawing, Formatter /Controller (64001101-8001
Formatter /Controller PCB Assembly
General Information
Wiring Diagram, Model 351
Schematic Diagram, Formatter /Controller (64001101-9001) (Sheet 1
Schematic Diagram, Formatter /Controller (64001101-9001) (Sheet 2
Schematic Diagram, Formatter /Controller (64001101-9001) (Sheet 3
Schematic Diagram, Formatter/Controller (64001101-9001) (Sheet 4
Schematic Diagram, Formatter/Controller (64001101-9001) (Sheet 5
Schematic Diagram, Formatter /Controller (64001101-9001) (Sheet 6
Schematic Diagram, Formatter /Controller (64001101-9001) (Sheet 7
Schematic Diagram, Formatter/Controller (64001101-9001) (Sheet 8
Schematic Diagram, Formatter /Controller (64001101-9001) (Sheet 9
Schematic Diagram, Formatter/Controller (64001101-9001) (Sheet 10
Schematic Diagram, Formatter/Controller (64001101-9001) (Sheet 11
Assembly Drawing, Control Panel and Memory Section
Assembly Drawing, Serial and Parallel Input Section, Formatter /Controller PCB Assembly
Assembly Drawing, Print Head Driver and D.C. Power Entry Section
Appendixb-Interfaceinformation
General Information
Parallel Interface Connection
Serial Interface Connection
Interface Connector Locations and Cables
Parallel and Serial Interface Connectors
Appendixc-Controlsandindicators
Control Panel Dip Switches
Control Panel Switches and Indicators
General
Mechanism Controls and Switches
Printer Mechanism Controls and Switches
Control Panel Switches and Indicators
Control Panel Dip Switches
Printer Features Dip Switch S1
Printer Features Dip Switch S2
Printer Features Dip Switch S3
Printer Features Dip Switch S4
Printer Features Dip Switch S3
Printer Features Dip Switch S4
Appendix Dpico Fuse Color Code
General Information
Appendix Emodel 351-3 & 351-4 Printers
Documentation
Model 351-3 Printer
Model 351-4 Printer
Advertisement
Quick Links
Download this manual
CEnTRDnlCS
C:EnTRDnlC:S
·
CE
.
-~s
TP 7-80
MODEL 351
C:I
PRINTER
- ·s
37403510·9810
REV. 81
APRIL 1984
.
CE1111~u111LS
C:EnTRDnlCS
CEnTRDnlCS
c:
E nTRD n I
c:
s
TECHNICAL MANUAL
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Troubleshooting
SECTION 3-MAINTENANCE
25
Self-Test Printout
26
No Print Head Movement on Power-up Troubleshooting Flow Chart
34
Control Panel Switches and Indicators Troubleshooting Flow Chart (Sheet 1 of 3)
35
Control Panel Switches and Indicators Troubleshooting Flow Chart (Sheet 2 of 3)
36
Control Panel Switches and Indicators Troubleshooting Flow Chart (Sheet 3 of 3)
37
Broken Characters (Missing Dots) Troubleshooting Flow Chart
40
Missing or Wrong Characters Troubleshooting Flow Chart
41
Need help?
Do you have a question about the 351 and is the answer not in the manual?
Ask a question
Questions and answers
Subscribe to Our Youtube Channel
Related Manuals for Centronics 351
Printer Centronics 306 Technical Manual
(219 pages)
Printer Centronics 306 Technical Manual
(194 pages)
Printer Centronics 352 Technical Manual
(133 pages)
Printer Centronics 306SC Programmer's Manual
(33 pages)
Printer Centronics 354-1 Technical Manual
Printer mechanism (47 pages)
Printer Centronics 730-1 Owner's Manual
(34 pages)
Printer Centronics 101 Operator's Manual
Series 100 (15 pages)
Printer Centronics 101AL Technical Manual And User Manual
(162 pages)
Printer Centronics 101A Technical Manual
(214 pages)
Printer Centronics 101A User's & Technical Manual
(204 pages)
Printer centronics 101 Technical Manual
Serial impact printer (188 pages)
Printer Centronics 101AL Technical Manual
(212 pages)
Printer Centronics 704 Technical Manual
(152 pages)
Printer Centronics 702 Operator's Manual
(28 pages)
Printer Centronics 705 Technical Manual
(85 pages)
Printer Centronics HORIZON H136A User Manual
(115 pages)
Related Products for Centronics 351
Centronics 306
Centronics 352
Centronics 306SC
Centronics 354-1
Centronics 354-2
Centronics 101
Centronics 101A
Centronics 101AL
Centronics 101S
Centronics 102A
Centronics 102AL
Centronics 702
Centronics 703
Centronics 704
Centronics 705
Centronics 730
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the 351 and is the answer not in the manual?
Questions and answers