EPSON Stylus Pro 3800/3800C/3850
Revision A
OPERATING PRINCIPLES
Overview
37
MAIN COMPONENT
Electric Circuit Boards
Figure 2-1. Layout of Electric Circuit Boards
Table 2-1. List of Electric Circuit Boards
Fig.
Name
Function
Main board (C635 MAIN)
Communications with host computer
Receive data processing
Engine control
Saves compensation values and various counter
information.
Generates power voltages used by the logic circuits
from 42 V supplied from the power supply board.
Power supply board
(C635 PSB/PSE)
Generates power system power voltage 42 V from
the AC power supply
Panel board (C635 PNL)
Printer operations, various settings
Shows printer status and various setting values on
the LCD.
Indicates printer status by the LED.
Sub board (C635 SUB)
Relays connections between the main board and the
following parts:
PG sensor
Ink mark sensor
PW sensor
Ink change sensor
CR encoder
Ink change motor
1
2
3
4
1
2
3
4
Summary of Contents for 3800 - Stylus Pro Color Inkjet Printer
Page 1: ...EPSONStylusPro3800 3800C 3850 Large Format Color Inkjet Printer S SERVICE MANUAL SEIJ06007 ...
Page 5: ...Revision Status Revision Date of Issue Description A November 30 2006 First release ...
Page 9: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 35: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 61: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 85: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Page 190: ...C H A P T E R 5 ADJUSTMENT ...
Page 250: ...C H A P T E R 6 MAINTENANCE ...
Page 262: ...C H A P T E R 7 APPENDIX ...
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