Epson LX-300+II RTP Service Manual page 49

EPSON LX-300+II/300+II RTP/1170II
Color ribbon drive circuit
CS motor
CS cam
CS lever assembly
CS cam
Figure 2-4. Color Ribbon Driving Mechanism
Operating Principles
Ribbon detector
CS lever assembly
Color ribbon
Black
Cyan
Magenta
Yellow
Color cartridge holder
CS motor, pinion
Printer Mechanism
RIBBON CARTRIDGE DETECTOR
Ribbon detector detects if the color ribbon is installed or not.

Detect Timing

When the power is applied.

When recovering from the economy mode.

When the printing is started.
Table 2-8. Ribbon Detector Specifications
Item
Method Mechanical contact method
Switching rate 0.6 to 1.0 mA
• Color ribbon cartridge is installed: High
Switching mode
• Black ribbon cartridge is installed or
no ribbon is installed: Low
AVOID STAINING COLOR RIBBON WITH DIFFERENT COLORS
To minimize staining the color areas on the ribbon with different colors, printing in green,
violet or orange is performed in the following order.
Table 2-9. Color Printing Order
Color First color
Green
Orange
Violet
Revision D
Specification
Second color
Yellow Cyan
Yellow Magenta
Magenta Cyan
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