Epson LQ-2550 Technical Manual page 61

REV.-A
Color Select Mechanism Specifications
If the color ribbon cartridge is mounted on the carriage, the color select mechanism
seven-color printing.
Table 2-14 shows the specifications of the color select mechanism.
Motor
CS motor;
Refer to Table 2-15.
item
Type
Drive Voltage
Hold Voltage
Coil Resistance
Driving Frequency
Driving Method
NOTE: The printer prints in sequence from bright colors to dark colors so as to minimize ribbon
smearing
due to mixed color printing.
Table 2-14. Color Select Mechanism Specifications
Driving Method
Crank gear
Table 2-15. CS Motor Specifications
Description
I
Four-phase 48-pole PM type stepper
motor
35 VDC
5 VDC
165 ohms 5 10 ohms
450 PPS
Constant voltage drive
Table 2-16. Color Select
Print color
Black
Magenta
Cyan
Violet
Yellow
Orange
Green
Ribbon Shift
Direction
-
Black
- M a g e n t a
Magenta - Y e l l o w
2-2 phase excitation
Print Ribbon
1st time 2nd time
Black
Magenta
Cyan
Magenta Cyan
Yellow
Yellow Magenta
Yellow Cyan
2 - 1 4
operates to allow
Color Select*'
Refer to Table 2-16.
Remarks
. . . . .
:
*