
DLQ-3000+
Rev. A
2-10
2.1.5.2 Paper Feed Sensor Mechanism
The paper feed sensor mechanism is composed of the right/left PEW (Paper Width)
sensors, front/rear paper sensors and paper jam sensor. These sensors detect conditions
such as top and rear paper edge positions, paper width and paper jam. The paper feed
sensor mechanism monitors detected conditions and feeds back the information to the
CPU, which controls paper feeding. The feed-back timing for a read signal is selected by
the CPU depending on the movements of the paper feed and carriage motors. Figure 2-8
illustrates the paper feed sensor mechanism. Table 2-7 lists the paper feed sensor
functions.
P r i n t h e a d
L e f t P E W S e n s o r
P l a t e n
L e f t P E W S e n s o r
P r i n t e h a d
P a p e r E j e c t D r i v e R o l l e r A s s e m b l y
M a s k G u i d e
F r o n t P a p e r S e n s o r
R i g h t P E W S e n s o r
S u b P a p e r F e e d R o l l e r A s s e m b l y
P a p e r J a m S e n s o r
R e a r P a p e r S e n s o r
R i g h t P E W S e n s o r
M a s k G u i d e
C R M o t o r
F r o n t V i e w
T o p V i e w
Figure 2-8. Paper Feed Sensor Mechanism
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 ...