OKIDATA Pacemark 3410 Service Handbook page 13

RAP 08: Malfunction of Operator Panel Switch ..................................................... 4-31
RAP 09: Data Receiving Failure.............................................................................. 4-32
Parallel ............................................................................................................... 4-32
Serial .................................................................................................................. 4-33
RAP 10: ALARM Lamp ON ................................................................................... 4-35
RAP 11: Bottom Tractor Feed Unit (BTFU) Problem............................................. 4-36
4.8 PRINTER TESTS .......................................................................................................... 4-39
4.8.01 Rolling ASCII Test ......................................................................................... 4-39
General Information................................................................................................. 4-39
Procedure ................................................................................................................. 4-40
Sample...................................................................................................................... 4-41
4.8.02 Font Sample Test ............................................................................................ 4-42
General Information................................................................................................. 4-42
Procedure ................................................................................................................. 4-42
Sample...................................................................................................................... 4-43
4.8.03 Serial Interface Diagnostic.............................................................................. 4-44
General Information................................................................................................. 4-44
Procedure ................................................................................................................. 4-44
Serial Cable Information.......................................................................................... 4-45
Serial Interface Signal Requirements....................................................................... 4-45
4.8.04 Hexadecimal Dump ........................................................................................ 4-46
General Information................................................................................................. 4-46
Example ................................................................................................................... 4-46
Procedure ................................................................................................................. 4-46
4.9 RESISTANCE CHECKS............................................................................................... 4-47
4.9.01 General Description ........................................................................................ 4-47
Layout Diagram ....................................................................................................... 4-48
4.9.02 Printhead ......................................................................................................... 4-49
4.9.03 Line Feed Motor ............................................................................................. 4-49
4.9.04 Space Motor .................................................................................................... 4-50
4.9.05 Bail Motor....................................................................................................... 4-50
APPENDIX A: BOARD DIAGRAMS
A.1 OVERVIEW ................................................................................................................... A-1
A.1.01 General Information......................................................................................... A-1
A.2 INDEX TO CHARTS ..................................................................................................... A-2
A.2.01 Main Logic Board (CBNP) .............................................................................. A-4
A.2.02 Power Supply Board ........................................................................................ A-6
A.2.03 Interface Board (HKTY).................................................................................. A-8
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