EPSON Stylus COLOR 480
Revision B
Operating Principles
Overview
32
2.1 Overview
This section describes the operating principles of the printer mechanism and electrical
circuit boards. The Stylus COLOR 480 has only the following two circuit boards and
dose not have control panel:
o
Main board:
C367MAIN-B (or C367MAIN) *1
o
Power supply board:
C367 PSB/PSE
NOTE:
*1): C367MAIN board is used for the product in the first mass
production and it will be changed to C367MAIN-B board at an early
date. The major difference is that C367MAIN-B has one chip CPU
which include the ASCI function. This section describes the operation
principle of C367MAIN-B.
2.1.1 Printer Mechanism
The printer mechanism for Stylus COLOR 480 is designed newly. But, the basic
component of the printer mechanism is same as previous product.
This printer consists of Print Head, Carriage Mechanism, Paper Feeding Mechanism,
Paper Loading Mechanism, Ink System (Pump Mechanism, Cap Mechanism, and
Carriage Lock Mechanism).
Like other EPSON ink jet printers, the Stylus COLOR 480 is equipped with two
stepping motors; one for ASF, Paper feeding/ Pump mechanism, and one for CR
mechanism. ASF unit uses rear entry front eject system. This ASF unit is also designed
newly and single LD roller loads the paper to the printer mechanism.
For cap assembly, Stylus COLOR 480 uses valveless mechanism; new design for this
model.
Figure 2-1. Printer Mechanism block diagram
ASF Hopper Spring
CR Motor
PF Motor
Paper feed back plate
Paper separation pad
Clutch mechanism
CR unit
PF Rolle
r
HP/PE/IC Sensor
LD Roller
Cap Assembly
Pump Assembly
Paper Eject Roller
Star Wheel Roller
CR Timing belt
CR lock lever
Содержание STYLUS COLOR 480
Страница 1: ...EPSON STYLUSCOLOR480 Color Inkjet Printer SEIJ00002 SERVICE MANUAL ...
Страница 9: ...C H A P T E R PRODUCTDESCRIPTION ...
Страница 31: ...C H A P T E R OPERATINGPRINCIPLES ...
Страница 51: ...C H A P T E R TROUBLESHOOTING ...
Страница 67: ...C H A P T E R DISASSEMBLYANDASSEMBLY ...
Страница 99: ...C H A P T E R ADJUSTMENT ...
Страница 121: ...C H A P T E R MAINTENANCE ...
Страница 128: ...C H A P T E R APPENDIX ...
Страница 137: ...PSON Stylus COLOR 480 Revision B ppendix Exploded Diagram 137 Figure 7 7 Stylus Color 480 Exploded Diagram 2 ...
Страница 138: ...PSON Stylus COLOR 480 Revision B ppendix Exploded Diagram 138 Figure 7 8 Stylus Color 480 Exploded Diagram 3 ...
Страница 139: ...PSON Stylus COLOR 480 Revision B ppendix Exploded Diagram 139 Figure 7 9 Stylus Color 480 Exploded Diagram 4 ...
Страница 140: ...PSON Stylus COLOR 480 Revision B ppendix Exploded Diagram 140 Figure 7 10 Stylus Color 480 Packing material ...
Страница 144: ...PSON Stylus COLOR 480 Revision B ppendix Parts List 144 ...
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