LX-300+/1170
Revision C
Operating Principles
Printer Mechanism
51
Figure 2-4. Color Ribbon Driving Mechanism
RIBBON CARTRIDGE DETECTOR
Ribbon detector detects if the color ribbon is installed or not.
o
Detect Timing
n
When the power is applied.
n
When recovering from the economy mode.
n
When the printing is started.
AVOID COLOR FROM MIXING
To avoid the color area on the ribbon from mixing up each other or minimize the color
mixing up, the printing is done by the following order when printing green, violet and
orange.
Color ribbon drive circuit
CS lever assembly
Ribbon detector
CS cam
CS motor
CS lever assembly
Color ribbon
Color cartridge holder
CS motor, pinion
CS cam
Black
Cyan
Magenta
Yellow
Table 2-7. Ribbon Detector Specifications
Item
Specification
Method
Mechanical contact method
Switching rate
0.6 to 1.0 mA
Switching mode
• Color ribbon cartridge is installed: High
• Black ribbon cartridge is installed or
ribbon is not installed: Low
Table 2-8. Color Printing Order
Color
First color
Second color
Green
Yellow
Cyan
Orange
Yellow
Magenta
Violet
Magenta
Cyan
Содержание LX-1170
Страница 1: ...EPSONLX 300 1170 9 pin Serial Impact Dot Matrix Printer SEDM997003 SERVICE MANUAL LX 300 LX 1170 ...
Страница 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 44: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 60: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 69: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 89: ...LX 300 1170 Revision C Disassembly and Assembly Disassembly and Assembly 89 ...
Страница 90: ...C H A P T E R 5 ADJUSTMENT ...
Страница 98: ...C H A P T E R 6 MAINTENANCE ...
Страница 103: ...C H A P T E R 1 9 7 APPENDIX ...
Страница 112: ...LX 300 1170 Revision C Appendix Component Layout 112 C294 MAIN B BOARD Figure 7 3 Component Layout C294 MAIN B Board ...
Страница 114: ...LX 300 1170 Revision C Appendix Component Layout 114 C294PNL BOARD Figure 7 6 Component Layout C294PNL ...
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