Printronix P300 Manuals

Manuals and User Guides for Printronix P300. We have 3 Printronix P300 manuals available for free PDF download: Maintenance Manual, User's Reference Manual

Printronix P300 Maintenance Manual (324 pages)

Line printer

Brand: Printronix | Category: Printer | Size: 4 MB

Maintenance Manual
1
About this Manual
5
Table of Contents
7
Chapter 1. Maintenance Overview

15
Chapter 2. Principles of Operation

23
- Scope
  23
- Basic Functions and Circuit Locations
  23
- Principle States of Operation
  23
- Buffer Load State
  23
- Printer System Block Diagram
  24
- Power Supply Assembly
  24
- Location of Functional Elements on Pcbas
  25
- Buffer Load State Block Diagram
  28
- Interface Block Diagram
  29
- Interface Timing
  30
- Interface Signals
  31
- Print State
  32
- Dot Selection Block Diagram
  33
- Defining the Dot Matrix
  35
- Typical Characters (Data Processing Mode)
  35
- Dot Column and Character Column Timing for One Shuttle Cycle
  38
- Dot Column and Character Column Counter Block Diagram
  39
- Plotting the Six Bit Code
  41
- Hammer Driver Block Diagram
  44
- Hammer Driver Circuit Timing
  45
- Safety Circuits
  46
- Hammer Reset Timer
  47
- Dot Row Timing Vs Timing Disk and Cam Position
  49
- Operation of MPU Circuit
  50
- Hammer and Shuttle Arrangement
  51
- Print Hammer Action
  52
- Standard Character Formation
  53
- P600 Phase Fire Operation
  55
- Hammer Bank Shuttle Components
  56
  - Paper Feed State
    57
- Paper Feed Logic Block Diagram
  59
  - Line Feed Operation Velocity Profile
    61
- Timing Sequence for Printing One Character Line
  62
- Top-Of-Form Counter Block Diagram
  64
- Top-Of-Form Slewing Velocity Profile
  65
- Paper Feed to Top-Of-Form Timing
  66
- EVFU Loading Block Diagram
  68
- EVFU Loading Sequence Timing Diagram
  68
- EVFU Channel Seek Block Diagram
  70
- EVFU Channel Seek Velocity Profile
  71
- EVFU in Binary Count Mode
  72
- Paper Transport Components
  74
- Paper Motion Detector Diagram
  76
- Paper Feed Control Circuits Block Diagram
  77
- Ribbon Transport
  78
- Ribbon Drive Block Diagram
  78
- Ribbon Control PCBA Simplified Schematic
  79
- Power Supply
  83
  - V and +70 V Supplies
    85
- Reference Voltage Circuit
  86
  - V and MOS Supplies
    87
- Relay Switching Details
  89
- Motor Relay Trigger Circuit
  90
Chapter 3. Preventive Maintenance

91
Chapter 4. Troubleshooting

107
- General
  107
- Common Causes of Malfunctions
  107
- Testing
  107
- Fault Isolation
  107
  - Performance Tests
    107
- POWER Indicator Not Illuminated
  108
- ON LINE Indicator Not Illuminated
  108
- Not Printing
  108
- Light And/Or Smeared Characters
  108
- Horizontal Misalignment
  108
- Vertical Misalignment
  108
- Malfunction Symptom Index
  108
- Confidence Check
  109
- New Printer Does Not Operate
  113
- CHECK Indicator Stays on
  116
- Shuttle Does Not Accelerate to Speed When on LINE Switch Is Pressed
  120
- Ribbon Does Not Advance
  121
- Ribbon Folds over
  123
- Ribbon Not Feeding Smoothly
  124
- End of Ribbon Not Detected
  126
- Missing Characters
  130
- Missing Characters, Example of
  134
- Missing Dots
  135
- Missing Dots
  141
  - Light And/Or Smeared Characters, Example of
    144
- Misplaced Dots
  145
- Print too Light or Dark
  149
- Print too Light or Dark
  151
- Garbled Letters And/Or Wrong Font
  161
- No Paper Feed
  163
- Paper Feeds Erratically
  167
- Paper Drags
  172
- Top-Of-Form Does Not Operate
  175
- Shift Recycle Test - Sliding Pattern
  177
- Plot Pattern Test
  178
- MPU Phasing Test - All Hs
  179
- Row Increment Test - Uppercase Characters
  180
- Underline/Vertical Hammer Alignment Test
  181
Chapter 5 . Corrective Maintenance

183
Section I. GENERAL

183
- Introduction
  183
- Tools, Test Equipment, and Supplies
  183
- Tools, Test Equipment, and Supplies
  184
Section II. ALIGNMENTS and ADJUSTMENTS

185
- Ribbon Hub Height Adjustment
  185
- Ribbon Hub Height Adjustment
  186
- Ribbon Tracking Check and Adjustment
  187
- Shuttle Spring Force Adjustment
  190
- Hammer Spring Retensioning
  194
  - Hammer Tip Alignment
    196
- Setting Shuttle and Counterweight Preload
  194
- Hammer Tip Alignment
  197
- Hammer Tip Height (Protrusion) Adjustment
  198
- Hammer Tip Height Adjustment
  199
- Platen Gap
  200
  - Magnetic Pickup Gap
    202
- Magnetic Pickup Phasing Adjustment
  204
- Adapting Shuttle Motor to Line Frequency
  205
- Shuttle Belt
  206
  - Paper Feed Belt
    208
- Paper Feed Belt Tension Check and Adjustment
  209
  - Paper Motion Sensor
    210
  - Paper out Detectors
    212
Section III. REPLACEMENT

214
- Printer Cover
  214
- Cover Removal/Installation, Pedestal Models
  216
- Cover Removal/Installation, Floor Cabinet (XQ) Models
  217
- Control Panel
  218
- Control Panel Removal/Installation
  219
- Ribbon Drive
  220
- Ribbon Drive Removal/Installation, Pedestal Models
  222
- Ribbon Drive Removal/Installation, Floor Cabinet (XQ) Models
  223
  - Ribbon Control PCBA
    224
- Ribbon Control PCBA Removal/Installation, Pedestal Models
  225
  - Ribbon Drive Motor
    226
- Ribbon Drive Motor Removal/Installation
  227
  - Ribbon Drive Blower
    228
- Ribbon Drive Blower Removal/Installation, Pedestal Models
  230
- Shuttle Assembly
  232
- Hammer Spring
  238
- Hammer Spring Removal/Installation
  239
- Hammer Coil
  241
- Counterweight Assembly
  244
- Flywheel Assembly
  247
- Flywheel Assembly Removal/Installation
  248
- Cam Wick
  249
- Magnetic Pickup
  249
- Cam Wick Removal/Installation
  250
- Magnetic Pickup Removal/Installation
  251
- Shuttle Motor Removal/Installation
  253
- Shuttle Belt
  254
- Shuttle Motor
  254
- Shuttle Belt Removal/Installation
  255
- Paper Ironer
  256
- Paper Ironer Removal/Installation
  257
- Paper Feed Belt
  258
- Paper Feed Motor
  260
- Paper Feed Motor Removal/Installation
  261
- Tractor Removal/Installation
  263
- Tractor
  264
- Paper Motion Sensor Removal/Installation
  265
- Paper Motion Sensor
  266
- Paper out Mechanical Switch Removal/Installation
  267
- Paper out Optical Sensor
  268
- Paper out Optical Sensor Removal/Installation
  269
- DC Power Supply Fuse
  270
- DC Power Supply Fuses Removal/Installation
  271
- Power Supply PCBA
  272
- Power Supply PCBA Removal/Installation
  273
- Power Supply
  274
- Power Supply Removal/Installation
  275
- Rear Fan
  276
- Rear Fan Removal/Installation, Pedestal Models
  277
- Rear Fan Removal/Installation, Floor Cabinet (XQ) Models
  278
- Logic PCBA
  280
- Logic PCBA Removal/Installation
  281
- Hammer Driver PCBA
  282
- Hammer Driver PCBA Removal/Installation
  283
- Hammer Bank Cable Harness Removal/Installation
  285
- Hammer Bank Cable Harness
  287
- Parts List
  293
- Ribbon Tracking Check and Adjustment
  294
- Setting Shuttle and Counterweight Preload
  295
- Shuttle Spring Force Adjustment
  295
- Hammer Spring Retensioning
  296
- Magnetic Pickup Gap and Phasing Adjustment
  296
- Platen Gap Adjustment
  296
- Paper Motion Sensor Check and Adjustment
  297
- Paper out Detector Adjustment
  297
- Shuttle Belt Tension Check and Adjustment
  297
- Shuttle Assembly Removal/Installation
  301
  - Screw
    301
  - Washer
    301
  - Card Cage
    301
- Hammer Coil Removal/Installation
  302
  - Washer (2)
    302
- Counterweight Assembly Removal/Installation
  303
  - Screw (4)
    304
  - Nut (4)
    305
- Paper Feed Belt Removal/Installation
  306
  - Power Supply Assembly
    309
  - Power Supply Pcba
    309

Printronix P300 User's Reference Manual (153 pages)

P-Series

Brand: Printronix | Category: Printer | Size: 5 MB

Table of Contents
3
List of Figures
6
List of Tables
8
Introduction
10
P Series General Description
11
Dot Character Formation
13
Dot Matrix Line Printing
13
Printponix Character Formation
13
Operation
14
Operator Panel Controls and Indicators
16
Operator Panel and Power Switch
16
Operator Panel Switches and Indicators
17
Paper Adjustment Controls
18
Forms Thickness Adjustment Lever
18
Paper Tractors and Horizontal Adjustment Knob
19
Vertical Position Knob, Disk and Forms Length Selector
20
Top-Of-Form Adjustment
21
Top of Form Reference Mark
21
Setting the Top of Form
22
Optional Controls
23
Forms Length Selector Option
23
Compressed Print Option
24
Compressed Print Switch
24
Multi-Mode Print Option
25
Multi-Mode Print Switch
25
Host Computer Control Codes
26
ASCII Control Characters
26
Loading/Unloading Paper
27
Changing Ribbon
27
P-Series Ribbon Deck
27
Cleaning
28
Cleaning Paper Motion Detector and Ribbon Path
28
Vacuum Cleaning
29
Configuration
30
Host Controlled Functions
32
Hardware Selectable Functions
34
Logic Printed Circuit Boards
36
Card Cage Location
36
Logic Board Identification
37
PCBA Removal and Replacement
44
Tools Required
44
Hardware Configuration
45
Alternate Form Length
46
Alternate Forms Length Jumper
46
Character Height
47
Character Height Jumpers
47
Character Underline
48
Character Underline Jumper
48
Control Code Select
49
Electronic Vertical Format Unit
50
EVFU Jumper
50
High Vertical Resolution Character PROM Socket
51
High Vertical Resolution Character PROM Socket Jumpers
51
Interface Parameters
52
Interface Parameters Jumpers
52
Line Spacing
53
Line Spacing Jumpers
53
Line Feed Control
54
Modified Plot
55
Modified Plot Jumper
55
Binary Count Jumper
55
Multi-Mode Print
56
Multi-Mode Print Jumpers
56
Paper Fault Operation
57
Paper Fault Operation Jumpers
57
Paper Motion Detector
57
Phase Fire Enable
58
Plot Mode Parameters
58
Phase Fire Enable Jumper
58
Print Lowercase as Uppercase
59
Printer Model Select
60
Printer Model Select Jumpers
60
Skip over Perforation Length
61
Optional/Custom Character Proms
62
Summary of Hardware Selectable Functions
63
Logic a and B Pcbas
70
Programming
75
Character Print Mode
76
Plot Mode
76
P Series Printer Control Codes
77
Standard ASCII Character Set and Control Codes
78
Draft Print
80
Compressed Print
81
Elongated Characters
82
Carriage Return
83
Line Feed
83
Vertical Tab
83
8 Lines Per Inch Spacing
84
Underline
84
Space
85
Delete
85
Alternate Character Set Option
86
Dot Format and Resolution
87
Normal Resolution
87
High Resolution
87
Plot Speed
88
Programming in Plot Mode
88
Plot Data Line Format
88
Plot Data Byte Format
89
Data Byte Dot Patterns
90
Odd Dot Plot
91
Event Dot Plot
92
Combining Graphics and Characters
93
Plot Mode Text
93
Print Mode/Plot Mode
93
EVFU Operating Program
94
General EVFU Programming Information
94
Default Operation
95
Runaway Protection
95
EVFU Control and Channel Codes
96
Start Load
96
End Load
96
Form Feed
96
Form Line Spacing
98
Typical Form Line Spacing
98
EVFU Form Definition Program
99
EVFU Form Definition Load Program
101
Slew Relative Programming
103
EVFU Slew Relative Codes
103
Corrective Maintenance
105
Test Pattern Printing
107
Corrective Maintenance Flowchart
107
Printer Interface
110
Interface Characteristics
111
Interface Terminating Resistors
112
Interface Line Driver and Receiver Circuit
112
Interface Cable Requirements
113
Interface Cable Lengths
113
Centronics Compatible Interface
114
Cetronics Interface Connector Pin Identification
114
Input Signals
115
Output Signals
116
Dataproducts Compatible Interface
117
Dataproducts Pin Identification
117
Installation
120
Site Preparation
122
AC Line Power Requirements
122
Unpacking and Inspection
123
Pedestal Assembly
124
Pedestal Mounting
125
Removing Rubber Feet
125
Ground Connection
126
Table Top Mounting
127
Table Preparation
127
Shipping Restraints
128
Removing Shipping Restraints
128
Ribbon and Paper
129
Cable Connection
129
Printer Cables and Labels
129
Preliminary Test
130
P-Series Printer Specifications
132
Accessories
137
Options
138
Intelligent Graphics Processor
138
Configuration Checklist
142
Logic A1 & B4 Pcbas
147
EVFU Control Codes
152

Printronix P300 User's Reference Manual (148 pages)

Brand: Printronix | Category: Printer | Size: 6 MB

Fcc Compliance Statement
3
Table of Contents
6
Dot Matrix Line Printing
9
Operation
10
Paper Adjustment Controls
14
Top-Of-Form Adjustment
17
Printer Function
22
Phase Fil
31
Tools Required
40
Hardware Configuration
41
Character Height
43
Line Spacing
49
Print Lowercase as Uppercase
55
Printer Madel Select
56
Optional/Custom Character Proms
58
Summar~ of Hardware Selectable Functions
59
Skip over Perforation
65
Logic a and Pcbas
66
Programming
71
Character Print Mode
72
Data Processing Print
75
Draft P
76
Compressed Print
77
Carriage Return COD Hex
79
Line Feed <OA Hex
79
Vertical Tab <OB Hex
79
Form Feed <OC Hex
79
Lines Per Inch Spacing C06 Hex)
80
Unde
80
Space <20 Hex
80
Alternate Character Set Option
82
Plot Mode
83
Plot Speed
84
Prog
85
Odd Dot Plot <OS Hex
87
Even Dot Plot <04 Hex
88
Electronic Vertical Format Unit <EVFU
90
EVFU Operating Program
90
Evfu Control and Channel Codes
92
Slew Relative Programming
99
Corrective Maintenance
102
Printer Interface
106
Logic Levels
107
Maximum Cable Length
109
Installation
116
Site Preparation
118
Unpacking and Inspection
119
Pedestal Assembly
120
Tools Required
120
Pedestal Mounting
122
Specifications & Accessories
123
Cable Connection
126
Preliminary Test
127
Specification
128
Plot Mode
128
External Indicators
131
Draft Print
135
Compressed Print
135
Configuration Checklist
138
Jumper Function
138
Plot Data Line Format
141
Plot Data Bvte Format
141
Plot Data Byte Format
142

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Printronix P300 Manuals

Printronix P300 Maintenance Manual (324 pages)

Table of Contents

Chapter 1. Maintenance Overview

Chapter 2. Principles of Operation

Chapter 3. Preventive Maintenance

Chapter 4. Troubleshooting

Chapter 5 . Corrective Maintenance

Section I. GENERAL

Section II. ALIGNMENTS and ADJUSTMENTS

Section III. REPLACEMENT

Printronix P300 User's Reference Manual (153 pages)

Table of Contents

Printronix P300 User's Reference Manual (148 pages)

Table of Contents

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