Epson Stylus Photo 870 Service Manual page 47

EPSON Stylus Photo 870/1270
R E A S S E M B L Y
When reassembling, be sure to connect the printhead
ribbon cables as shown below:
Front of printer
CN6
CN5
CN11
CN5 = PE sensor
CN6 = PE sensor
CN7 = ASF/pump motor
CN8 = front printhead connector
CN9 = rear printhead connector
(printhead and linear encoder)
Figure 4-5. Circuit Board Connectors
CN14
CN7
CN9
CN13
CN8
CN12
CN10 = Power Supply board
CN11 = control panel
CN12 = PF encoder wheel
CN13 = PF motor
CN14 = CR motor
Power supply board
CN10
Circuit board
shield plate
Figure 4-6. Removing the Circuit Boards
A D J U S T M E N T
Perform the following adjustments if the main board is
R E Q U I R E D
replaced with a new one:
1. "Head Voltage ID Input"
2. "Bi-Directional Adjustment"
3. "USB ID Check/Input"
Also be sure to replace the waste ink pads after installing
a new main board.
page 45.) The waste ink pads must be replaced because
the waste ink counter in the EEPROM is lost during main
board replacement.
Chapter 4 Disassembly and Assembly
No1. screws
Grounding plates
No.1 screws
No.5 screws
on page 75
on page 77
on page 79
(See"Removing the Waste Ink Tray"
Main board
on
42