4-8
Troubleshooting
Rev.B
5
5
Replace printer
End
OK?
No
Replace interface PCB.
No
No
No
No
No
No
Yes
No
Yes
Yes
Yes
Yes
Set DIP switch 1–1 to OFF.
Send data from host to computer.
Is “?” printed?
Are serial
interface parameters
set to identical values at
host printer?
Make settings identical.
Replace with a proper cable.
Is
Connect the interface
End
End
End
End
OK?
OK?
OK?
5 Data from host is not printed normally.
Yes
Does
interface
cable match
specifications?
Yes
connected to the
main PCB
firmly?
interface PCB
PCB firmly.
mechanism assembly
Yes
(*)
(*) Dotted line indicates
the process of checking
problems for the serial
interface.
Содержание TM U200D - B/W Dot-matrix Printer
Страница 2: ...technical manual TM U200D U200PD EPSON English 4005680 ...
Страница 4: ...EPSON SEIKO EPSON CORPORATION Printed in Japan E9608130 0000SE ...
Страница 145: ...Rev B Disassembly Assembly and Adjustment 5 49 TM U200D U200PD Technical Manual ...
Страница 146: ...5 50 Disassembly Assembly and Adjustment Rev B ...
Страница 147: ...Rev B Disassembly Assembly and Adjustment 5 51 TM U200D U200PD Technical Manual ...
Страница 148: ...5 52 Disassembly Assembly and Adjustment Rev B ...
Страница 154: ...Appendix A 6 Rev B Main Circuit Board A Parts Layout ...
Страница 155: ...Rev B Appendix A 7 TM U200D U200PD Technical Manual Main Circuit Board C Parts Layout ...
Страница 156: ...Appendix A 8 Rev B RS 232 Serial Interface Circuit Board Parts Layout ...
Страница 168: ...Rev B A 20 TM U200D U200PD Technical Manual Case Unit Lubrication Points Diagram 2 color Print Version ...
Страница 169: ...Rev B A 21 TM U200D U200PD Technical Manual Case Unit Lubrication Points Diagram ...