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Chapter2 Operating Principles
Rev.A
2-15
2.1.1.4.1 Pump Mechanism
In the Stylus Color 400, there is no switch or mechanism to change over the pump/paper feed
mechanism. Therefore, whenever the paper feed/pump motor rotate, pump drive roller in the pump unit
inside rotates. However, ink absorption/non ink absorption are separated by the roller rotational direction.
Also, even if the pump driver rotates toward ink absorption and the carriage position is in the false
absorption position, only driving in the pump mechanism is performed and actual ink attraction is not
done. The figure below shows process of conveying motive power to the pump drive roller.
The process of conveying the motive power to the paper eject roller by rotating the pinion of PF motor
is descried in figure 2-12. This motive power is conveyed to the Gear C through the Gear B.
In the figure above, although the lever in order to drive Gear C, carriage lock, head cleaner mechanism
is shown separately, it is constructed as one unit. Since the engagement of these two parts depends on
the tension of the compression spring, if the lever is burdened, only Gear C and pump roller rotate and no
more motive power is conveyed to the lever part.
Gear A
Gear B
Gear C
Axis of Paper Eject Roller
Actually, these parts
are one unit.
Compression
Spring
Pump Drive Roller
Figure 2-14. Pump Mechanism Power Transmission Process
Содержание Stylus Color 400
Страница 1: ...EPSON COLOR INK JET PRINTER EPSON Stylus Color 400 SERVICE MANUAL SEIKO EPSON CORPORATION 4007366 ...
Страница 5: ...REVISION SHEET Revision Issued Data Contents Rev A February18 1997 First issue ...
Страница 21: ...Chapter1 Product Description Rev A 1 14 Color Printing color ESC r ESC r EEPROM control EEPROM control ESC ...
Страница 104: ...EPSON Stylus Color 400 Service Manual Rev A 4 10 Screen 1 Screen 2 Screen 3 Screen 4 Screen 5 Screen 6 ...
Страница 121: ...Chapter 6 Maintenance 6 1 OVERVIEW 6 1 6 1 1 Cleaning 6 1 6 1 2 Service Maintenance 6 1 6 1 3 Lubrication 6 2 ...
Страница 126: ...Chapter 6 Maintenance Rev A 6 5 No 1 No 2 10mm 2mm 2mm No 3 No 11 GEAR 34 ...
Страница 128: ...Chapter 6 Maintenance Rev A 6 7 No 8 HOLDER PULLEY DRIVEN No 9 No 10 HOPPER ASSEMBLY FRAME ASF ...
Страница 137: ...Appendix Rev A A 8 A 4 Circuit Board Component Layouts Figure A 2 C206 Main Board Component Layout ...
Страница 138: ...EPSON Stylus Color400 Service Manual Rev A A 9 Figure A 3 C206 PSB Board Component Layout ...
Страница 139: ...Appendix Rev A A 10 Figure A 4 C206 PSE Board Component Layout ...
Страница 140: ...EPSON Stylus Color400 Service Manual Rev A A 11 Figure A 5 C206 PNL Component Layout ...
Страница 141: ...Appendix Rev A A 12 A 5 Exploded Diagrams Figure A 6 Stylus Color 400 Exploded Diagram 1 ...
Страница 142: ...EPSON Stylus Color400 Service Manual Rev A A 13 Figure A 7 Stylus Color 400 Exploded Diagram 2 ...
Страница 143: ...Appendix Rev A A 14 Figure A 8 Stylus Color 400 Exploded Diagram 3 ...
Страница 145: ...EPSON SEIKO EPSON CORPORATION ...