Table of Contents
Page
Failure & Repair Analysis Introduction
82
4.4 Troubleshooting Tips
83
....4.4.02 Common Problems
84
4.5 Fault Alarms
85
4.6 Repair Analysis Procedures - Using The Raps
86
4.6.02 RAP Index
87
....4.6.03 Troubleshooting Cautions
88
........RAP 01A:Operator Panel Lamps Do Not Light - Rev A, B,
and C
89
........RAP 01B: Operator Panel Lamps Do Not Light - Rev D
90
........RAP 02A: Abnormal Spacing - Rev A, B, and C
91
........RAP 02B:Abnormal Spacing - Rev D
92
........RAP 03:Wrong or Missing Characters / Dots on Output
93
........RAP 04:Line Feed Problems
94
........RAP 05:Malfunction of Operator Panel Switch(es)
95
........RAP 06:Parallel Interface Does Not Receive Data
96
........RAP 07:Serial Interface Does Not Receive Data
97
#4.7 Hexadecimal Dump - Procedure
98
4.8 Resistance / Service Checks - Index To Charts
99
....4.8.02 Interconnect Diagrams (Rev A & B)
100
........Interconnect Diagrams (Rev C)
101
........Interconnect Diagrams (Rev D)
102
....4.8.03 Printhead
103
....4.8.04 Space Motor
104
....4.8.05 Line Feed Motor
105
....4.8.06 Operator Panel Board (Rev A, B, & C)
106
........Operator Panel Board (Rev D)
107
....4.8.07 Control Board (Rev A - D)
108
4.9 Printer Tests
109
....4.9.02 Rolling ASCII Print Test
110
....4.9.03 Font Sample Test
111
....4.9.04 Serial Interface Loopback Test
112
4.10 Menu Operation
113
4.11 Top Of Form
114
4.12 Paper Park
115
4.13 Forms Tear Off
116
A Reference Charts
A.1 Board Diagrams
117
A.2 Index To Charts (A, B, C, D)
118
....A.2.01 Control Board (LXMC) - Rev A and B
119
........A.2.02 Control Board (LXMC-3) - Rev C
120
........A.2.03 Control Board (LXMR) - Rev D
121
....A.2.04 Power Supply (PAII-2) - Rev A and B
122
........A.2.05 Power Supply (SUII-2) - Rev C
123
