Appendix A-2
Rev. B
If the electric potential of CS1 is higher than that of CS2, the TM series printers are ready for
communication (the host is ready to receive data). If the electric potential of CS1 is lower than
that of CS2, the TM series printers are not ready for communication (the host is not ready to
receive data).
If the electric potential of DR1 is higher than that of DR2, the TM series printers are ready for
communication (the host is ready to receive data). If the electric potential of DR1 is lower than
that of DR2, the TM series printers are not ready for communication (the host is not ready to
receive data).
DR1
DR2 Function
H
L
Communication is available
L
H
Communication is not available
Summary of Contents for TM U200D - B/W Dot-matrix Printer
Page 2: ...technical manual TM U200D U200PD EPSON English 4005680 ...
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Page 145: ...Rev B Disassembly Assembly and Adjustment 5 49 TM U200D U200PD Technical Manual ...
Page 146: ...5 50 Disassembly Assembly and Adjustment Rev B ...
Page 147: ...Rev B Disassembly Assembly and Adjustment 5 51 TM U200D U200PD Technical Manual ...
Page 148: ...5 52 Disassembly Assembly and Adjustment Rev B ...
Page 154: ...Appendix A 6 Rev B Main Circuit Board A Parts Layout ...
Page 155: ...Rev B Appendix A 7 TM U200D U200PD Technical Manual Main Circuit Board C Parts Layout ...
Page 156: ...Appendix A 8 Rev B RS 232 Serial Interface Circuit Board Parts Layout ...
Page 169: ...Rev B A 21 TM U200D U200PD Technical Manual Case Unit Lubrication Points Diagram ...