Table of Contents
Page
4.1 Overview - Introduction
78
....4.1.02 Compatibility - Microline 390/391 vs. Microline
390/391-Plus
79
4.2 Troubleshooting Updates
80
4.3 Reporting Problems
81
4.4 Troubleshooting Tips
82
4.5 Fault Alarms
83
4.6 Repair Analysis Procedures - Using The RAPS
84
....4.6.02 RAP Index
85
....4.6.03 Troubleshooting Cautions
86
........RAP 01: Operator Panel Lamps Do Not Light
87
........RAP 02: Abnormal Spacing
88
........RAP 03: Wrong or Missing Characters / Dots on Output
89
........RAP 04: Line Feed Problems
90
........RAP 05: Malfunction of Operator Panel Switch(es)
91
........RAP 06: Parallel Interface Does Not Receive Data
92
........RAP 07: Serial Interface Does Not Receive Data
93
4.7 Hexadecimal Dump
94
4.8 Resistance / Service Checks - Index To Charts
95
....4.8.02 Interconnect Diagrams - Microline 390/391 - Rev. A
and B
96
........Interconnect Diagrams - Microline 390/391 - Rev C
97
........Interconnect Diagrams - Microline 390/391 - Plus
98
....4.8.03 Printhead
99
....4.8.04 Space Motor
100
....4.8.05 Line Feed Motor
101
....4.8.06 Operator Panel Board
102
....4.8.07 Control Board
103
4.9 Printer Tests - General Information
104
....4.9.02 Rolling ASCII Print Test
105
....4.9.03 Font Sample Test
106
....4.9.04 Serial Interface Loopback Test
107
4.10 Menu Operation
108
4.11 Top Of Form
109
4.12 Paper Park
110
4.13 Forms Tear Off
111
A Board Diagrams
A.1 Board Reference Charts - General Information
112
....A.1.02 Compatibility - Microline 390/391 vs. Microline
390/391-Plus
113
A.2 Index To Charts - Microline 390/391: Rev A And B
114
....Index To Charts - Microline 390/391: Rev C
115
....Index To Charts - Microline 390/391 - Plus
116
....A.2.01 Control Board (SKRB) - Rev A and B
117
