Epson DFX 9000
Revision B
Troubleshooting
Troubleshooting
104
3.3 Troubleshooting
3.3.1 Test reference values
3.3.1.1 Motor test reference
The table below lists the resistance values for the motors on the printer.
3.3.1.2 Sensor and switch reference
Table 3-3. Motor resistance values
Motor
Coil resistance
SP MOTOR
0.88 ~ 1.08 ohm
LF MOTOR
0.5 ~ 0.6 ohm
O/C MOTOR
72 ~ 88 ohm
HCPP Motor
145 ~ 165 ohm
RF Motor
13.5 ~ 16.5 ohm
APTC Motor
365 ~ 446 ohm
Table 3-4. Sensors and switches test reference
Sensor
Type
Logical state
FTRPE
Photo-interrupt
Low = paper present
RTRPE
Photo-interrupt
Low = paper present
OCS1 / OCS2
Photo-interrupt
Low = closed
TPE
Photo-reflective
High = paper present
COS
Microswitch
Low = cover closed
INLK SW
Microswitch
Low = cover closed
LES
Photo-interrupt
Low = home position
APTCHP
Photo-interrupt
Low = home position
TOFL
Photo-reflective
High = paper present
TOFR
Photo-reflective
High = paper present
RFS Photo-interrupt
L-H-L, etc. = ribbon feeding
(spindle rotating)
RMS
Microswitch
Low = ribbon installed
PTRM
Microswitch
Low - tractor unit installed
Содержание DFX-9000
Страница 1: ...EPSONDFX 9000 Serial Impact Dot Matrix Printer SEDM04003 SERVICE MANUAL ...
Страница 8: ...C H A P T E R 1 PRODUCT DESCRIPTION ...
Страница 61: ...Epson DFX 9000 Revision B Product Description Dimensions and weight 54 ...
Страница 62: ...C H A P T E R 2 OPERATING PRINCIPLES ...
Страница 99: ...Epson DFX 9000 Revision B Operating Principles Circuit operation 92 ...
Страница 100: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 103: ...Epson DFX 9000 Revision B Troubleshooting Overview 96 3 1 3 Power on initialization sequence Main ...
Страница 104: ...Epson DFX 9000 Revision B Troubleshooting Overview 97 Mechanism initialization e e e e e ...
Страница 107: ...Epson DFX 9000 Revision B Troubleshooting Overview 100 PAPER FEEDING FF APG APPROACH ...
Страница 130: ...C H A P T E R 4 DISASSEMBLY AND ASSEMBLY ...
Страница 217: ...Epson DFX 9000 Revision B Disassembly and Assembly PULL TRACTOR UNIT L PULL TRACTOR UNIT R 210 ...
Страница 218: ...C H A P T E R 5 ADJUSTMENT ...
Страница 263: ...Epson DFX 9000 Revision B Adjustment Additional functions 256 ...
Страница 264: ...C H A P T E R 6 MAINTENANCE ...
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Страница 324: ...EPSON DFX 9000 Revision B Appendix Component Layout 317 7 4 Component Layout ...
Страница 333: ...EPSON DFX 9000 Revision B Appendix Parts list 326 ...