
EPSON Stylus Photo 1390/1400/1410
Revision B
OPERATING PRINCIPLES
Printer Mechanism
32
2.2.5.2 Drive Transmission Path to Pump Unit
The drive of the Pump Motor is transmitted to the Pump Unit in the following path.
The following shows the internal part names and operation outline of the Pump Unit.
Figure 2-9. Outline of Pump Unit Inside
The following shows the Pump Unit operating principle.
Figure 2-10. Pump Unit Operating Principle
Ink Suction
1. The Pinion Gear of the Pump Motor rotates in the CW direction.
2. The Roller turns and simultaneously presses the tube.
3. Ink is fed from the Cap Unit toward the Waste Ink Pad.
Pump Release
1. The Pinion Gear of the Pump Motor rotates in the CCW direction.
2. The Roller moves away from the tube and releases the tube.
3. Ink is not sucked.
Pump Motor
Combination Gear 10.2, 21.2 IS
Pump Unit
Spur Gear 20.4 IS
Pump Motor and Motor Pinion Gear
<Pump Unit inside>
Combination Gear 10.2, 21.2 IS
Spur Gear
20.4 IS
Cap Unit Side
To Waste ink pad
Summary of Contents for 1400 - Stylus Photo Color Inkjet Printer
Page 1: ...EPSONStylusPhoto1390 1400 1410 Color Inkjet Printer SEIJ06009 SERVICE MANUAL ...
Page 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 21: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 39: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 71: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 131: ...C H A P T E R 5 ADJUSTMENT ...
Page 148: ...C H A P T E R 6 MAINTENANCE ...
Page 157: ...C H A P T E R 7 APPENDIX ...
Page 163: ...Model PM G4500 Stylus Photo 1390 1400 1410 Board C655 Main Rev B Sheet 1 2 ...
Page 164: ...Model PM G4500 Stylus Photo 1390 1400 1410 Board C655 Main Rev A Sheet 2 2 ...
Page 165: ...Model PM G4500 Stylus Photo 1390 1400 1410 Board C589 PSB Rev D Sheet 1 1 ...
Page 166: ...Model PM G4500 Stylus Photo 1390 1400 1410 Board C589 PSE Rev B Sheet 1 1 ...
Page 167: ...Model PM G4500 Stylus Photo 1390 1400 1410 Board C589 Panel Rev B Sheet 1 1 ...
Page 168: ...Model PM G4500 Stylus Photo 1390 1400 1410 Board C653 Head Rev B Sheet 1 1 ...