EPSON Stylus COLOR C70/C80
Revision A
Operating Principles
Overview
49
2.1.6 Ink System Mechanism
Ink system mechanism consists of pump unit (include the CR lock lever) and capping
mechanism. Ink system mechanism drives the pump unit that presses cap to the
printhead and ejects ink from ink cartridge, head cavity and cap to the waste ink pad.
2.1.6.1 Pump Unit & Wiper mechanism
The pump unit is driven by PF motor. PF motor drive is always transmitted to the paper
feeding mechanism and pump unit through the following gears. Refer to the Figure
2-23.
The Pump unit and Wiper mechanism drives according to the PF motor rotational
direction, as shown in the right table.
Table 2-3. PF motor rotational direction & Ink System Mechanism
(*1): The PF Motor rotational direction = seen from the right side of the printer.
Following figure shows the overview of the pump mechanism operation.
Figure 2-22. Pump mechanism
Figure 2-23. PF motor drive transmission path to the Pump unit
Directions
Functions
Counterclockwise (*1)
• Sets the wiper.
• Absorbs ink by the pump unit
• Set the CR lock lever
Clockwise (*1)
• Resets the wiper.
Spur Gear 19.2
Pump unit drive Gear
Содержание Stylus Color C70
Страница 1: ...EPSONStylusColorC70 C80 Color Inkjet Printer SEIJ01 004 SERVICE MANUAL ...
Страница 5: ...Revision Status Revision Issued Date Description A July 31 2001 First Release ...
Страница 9: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 35: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 60: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 96: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 137: ...C H A P T E R 5 ADJUSTMENT ...
Страница 169: ...C H A P T E R 6 MAINTENANCE ...
Страница 182: ...C H A P T E R 7 APPENDIX ...
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