DLQ-3000+
Rev. A
5-18
5.5 Repair of the Printer Mechanism
This section consists of tables which contains symptoms, conditions, causes, check points and
solutions you need in troubleshooting problems with units in the printer mechanism.
Table 5-15 Repair of the Printer Mechanism
Condition
Cause
Check point
Solution
Symptom : CR motor does not rotate properly.
The CR does not move
after printer power is
turned on.
Foreign matter is
lodged in the
mechanism.
Check point: Move the timing belt manually
to check if the motor rotates.
Solution: Remove the foreign matter.
CR motor is
defective.
Check point: Check the motor coil for
correct resistance (approximately 1.1
).
(See Table 5-5 and Note.)
Solution: Replace the CR motor or the
main control board.
Symptom : The CR does not move with the printer power on.
CR motor rotates, but
the CR doesn’t move.
The drive pulley is
defective.
Check point: Check if the pulley is worn or
damaged.
Solution: Replace the drive pulley.
Timing belt is
defective.
Check point: Check if the timing belt is
properly engaged with the
or if any of the
belt teeth is broken off.
Solution: Reinstall or replace the timing
belt.
CR moves left a little,
then stops.
CR does not move
smoothly.
Check point: Move the CR manually to
check if it moves smoothly.
Solution: Clean and lubricate the CR guide
shaft surface, or replace the CR motor.
(See Chapter 6.)
CR moves to the right
or left end, then stops.
HP sensor is
defective.
Check point:
Solution: Replace the HP sensor.
Symptom : Self-test does not run properly.
CR moves without
printing.
Head FFC is not
connected properly.
Check point: Check the head FFC visually
for proper connection, damage and bent.
Solution: Replace the head FFC.
Printhead is
defective.
Check point: Check the printhead coil for
correct resistance (approximately 8.19
).
(See Page 5-9.)
Solution: Replace the head FFC.
Particular dots are
missing.
Printhead is
defective.
Check point: Check if head wires are bent.
Solution: Replace the printhead
Printing color is too
light or uneven.
Printhead is
defective.
Check point: Check if head wires are bent.
Solution: Replace the printhead.
Note: In case the CR motor is shortened, check the driver circuit, since it might be also
shortened.
Содержание DLQ-3000+
Страница 1: ...EPSON EPSON EPSON France S A SERVICE MANUAL DLQ 3000 PRODUIT ...
Страница 2: ...EPSON 24 PIN DOT MATRIX PRINTER EPSON DLQ 3000 SERVICE MANUAL SEIKO EPSON CORPORATION 4008259 ...
Страница 6: ...v REVISION SHEET Revision Issued Data Contents Rev A August 21 1997 First Release ...
Страница 62: ...2 3 12 Other Sensor Circuits 2 30 ...
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 ...
Страница 254: ...PC 437 USA Europe standard Annexe A 27 ...
Страница 255: ...PC 850 Multilingue PC 860 Portugais PC 863 Français canadien PC 865 Norvégien A 28 Annexe ...
Страница 256: ...PC861 Islandais BRASCII Portugais brésilien Abicomp Portugais brésilien Annexe A 29 ...
Страница 259: ...A 32 Annexe ...
Страница 262: ...Utilisation du sommaire des commandes A 10 V Vitesse 2 25 W Windows Microsoft 1 17 18 Index 3 ...