1-26
Features and General Specifications
Rev.B
Panel LEDs
Self-test
Performing the Self Test
The printer has a self-test function that checks the following:
❏
Control circuit functions
❏
Printer mechanisms
❏
Print quality
❏
Control ROM version
❏
DIP switch settings.
See Chapter 4 for instructions on running a self-test.
Power
(
POWER
) LED:
Green
On:
Power supply of +24V is stable.
Off:
Power supply of +24V is not stable.
Paper roll near-end
(
PAPER OUT
) LED:
Red
On:
Paper roll near-end is detected. (*1)
Off:
Adequate paper remains on the paper roll (normal
condition).
Blinking:
Waiting for restarting test printing on paper roll or
for return to on-line status after automatic paper
feeding.
(*1)
Near-end detector is an option.
Error
(
ERROR
) LED:
Red
On:
Off-line (except during paper feeding using the
FEED
button and during the self-test).
Off:
Normal operation.
Blinking
Error state. (Refer to the Error types and
countermeasures in Chapter 4.)
Summary of Contents for TM U200D - B/W Dot-matrix Printer
Page 2: ...technical manual TM U200D U200PD EPSON English 4005680 ...
Page 4: ...EPSON SEIKO EPSON CORPORATION Printed in Japan E9608130 0000SE ...
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 ...
