Troubleshooting
Rev. A
5-1
5.1 Overview
This chapter describes how to solve printer’s abnormal operations. Since abnormal phenomenon
varies in wade range, be sure to follow the instruction given here for proper judgments and
remedies.
E N D
1 s t R e p a i r
2 n d R e p a i r
S T A R T
U n i t R e p l a c e m e n t
P S B / P S E B o a r d
R e p a i r
M a i n C o n t r o l B o a r d
R e p a i r
P r i n t e r M e c h a n i s m
R e p a i r
E N D
P r i m a r y r e p a i r
S e c o n d a r y r e p a i r
Figure 5-1. Troubleshooting Procedure
The first step of the procedure consists of unit replacement. After any unit is replaced, carry out
any necessary adjustments and lubrication. ( Refer to Chapter 4 and Chapter6.) Table 5-1 lists the
measuring instruments used for troubleshooting.
Table 5-1. Measuring Instruments Necessary for Troubleshooting
Name
Recommendable specification
Oscilloscope
Measuring range : more than 50 MHz
Multimeter
Digital multimeter is more recommendable than analog
one.
This printer, which is equipped with the self-diagnosis function, beeps when it detects an abnormal
phenomenon. Table 5-2 shows the printer status and abnormal operations indicated by the beep
sounds.
Table 5-2. Printer Status and Corresponding Beeps
Printer status
Beeper sound
Paper out error has occurred.
• • •
Paper size error has occurred.
• • •
Incomplete changing paper path error
• • •
Eject error has occurred.
• • •
Release lever operation error has occurred.
— — — — —
Paper jam error has occurred.
— — — — —
Fatal error has occurred.
— — — — —
Illegal operation in SelecType
•
Notes) The symbols “•“ and “—“ represent how a beep sounds.
“•“:
Sounds 100 ms with the interval of 100 ms.
“—“: Sounds 500 ms with the interval of 100 ms.
Summary of Contents for DLQ-3000+
Page 1: ...EPSON EPSON EPSON France S A SERVICE MANUAL DLQ 3000 PRODUIT ...
Page 2: ...EPSON 24 PIN DOT MATRIX PRINTER EPSON DLQ 3000 SERVICE MANUAL SEIKO EPSON CORPORATION 4008259 ...
Page 6: ...v REVISION SHEET Revision Issued Data Contents Rev A August 21 1997 First Release ...
Page 62: ...2 3 12 Other Sensor Circuits 2 30 ...
Page 160: ...Chapter 6 Maintenance 6 1 Maintenance 6 1 6 1 1 Lubrication and Adhesion 6 1 ...
Page 171: ...DLQ 3000 Rev A A 6 ...
Page 172: ...Appendix Rev A A 7 A 2 Circuit Diagrams Figure A 2 C210 MAIN Board Circuit Diagram 1 2 ...
Page 173: ...DLQ 3000 Rev A A 8 ...
Page 174: ...Appendix Rev A A 9 Figure A 3 C210 MAIN Board Circuit Diagram 2 2 ...
Page 175: ...DLQ 3000 Rev A A 10 ...
Page 177: ...DLQ 3000 Rev A A 12 Figure A 5 C124 PSB Board Circuit Diagram ...
Page 180: ...Appendix Rev A A 15 Figure A 8 C210 MAIN Board Component Layout 2 2 ...
Page 181: ...DLQ 3000 Rev A A 16 Figure A 9 C124 PSB Board Component Layout ...
Page 182: ...Appendix Rev A A 17 Figure A 10 C124 PSE Board Component Layout ...
Page 189: ...EPSON SEIKO EPSON CORPORATION ...
Page 254: ...PC 437 USA Europe standard Annexe A 27 ...
Page 255: ...PC 850 Multilingue PC 860 Portugais PC 863 Français canadien PC 865 Norvégien A 28 Annexe ...
Page 256: ...PC861 Islandais BRASCII Portugais brésilien Abicomp Portugais brésilien Annexe A 29 ...
Page 259: ...A 32 Annexe ...
Page 262: ...Utilisation du sommaire des commandes A 10 V Vitesse 2 25 W Windows Microsoft 1 17 18 Index 3 ...