
DLQ-3000+
Rev. A
5-2
5.2 Unit Repair and Replacement
This section contains flowcharts which let you isolate faulty units by following the flowchart for the
problem. Refer to Table 5-3 to determine the flowchart to follow.
Table 5-3. Symptoms and Corresponding Flowchart
Problem
Description
Flowchart No.
The printer does not operate at
all.
•
The LEDs and LCD on the control panel
indicate nothing.
•
Printer mechanism is not initialized.
Flowchart 1
The printer indicates an error
after turning on the printer.
•
1 or more LEDs go on or blink and a
message appears on the LCD.
•
After the printer mechanism is initialized, an
error is indicated.
Flowchart 2
Self-test does not print
properly.
•
The printer does not print.
•
1 or more dots are missing.
•
Low print quality
•
Monochrome print and color print switch
improperly.
Flowchart 3
Paper is fed abnormally.
•
The printer does not feed paper.
•
Paper feed length is irregular.
•
Paper jams frequently.
Flowchart 4
The control panel does not
operate properly.
•
Control panel button operation does not
affect the printer operation properly.
•
Panel indication is improper.
•
SelecType mode does not operate properly.
•
Printer settings set through the control panel
are not effective.
Flowchart 5
The printer does not operate
properly.
•
The printer run the self-test properly, but
does not print data from the host correctly.
•
The printer does not print.
•
While the printer is in operation, the host
computer goes in an error status.
Flowchart 6
Содержание DLQ-3000 Minerva+
Страница 1: ...EPSON 24 PIN DOT MATRIX PRINTER EPSON DLQ 3000 SERVICE MANUAL SEIKO EPSON CORPORATION 4008259 ...
Страница 5: ...v REVISION SHEET Revision Issued Data Contents Rev A August 21 1997 First Release ...
Страница 61: ...2 3 12 Other Sensor Circuits 2 31 ...
Страница 160: ...Chapter 6 Maintenance 6 1 Maintenance 6 1 6 1 1 Lubrication and Adhesion 6 1 ...
Страница 171: ...DLQ 3000 Rev A A 6 ...
Страница 172: ...Appendix Rev A A 7 A 2 Circuit Diagrams Figure A 2 C210 MAIN Board Circuit Diagram 1 2 ...
Страница 173: ...DLQ 3000 Rev A A 8 ...
Страница 174: ...Appendix Rev A A 9 Figure A 3 C210 MAIN Board Circuit Diagram 2 2 ...
Страница 175: ...DLQ 3000 Rev A A 10 ...
Страница 177: ...DLQ 3000 Rev A A 12 Figure A 5 C124 PSB Board Circuit Diagram ...
Страница 179: ...DLQ 3000 Rev A A 14 A 3 Circuit Board Component Layout Figure A 7 C210 MAIN Board Component Layout 1 2 ...
Страница 180: ...Appendix Rev A A 15 Figure A 8 C210 MAIN Board Component Layout 2 2 ...
Страница 181: ...DLQ 3000 Rev A A 16 Figure A 9 C124 PSB Board Component Layout ...
Страница 182: ...Appendix Rev A A 17 Figure A 10 C124 PSE Board Component Layout ...
Страница 189: ...EPSON SEIKO EPSON CORPORATION ...