Epson Stylus PHOTO 1270 Service Manual page 81

EPSON Stylus Photo 870/1270
C298PSB/PSE
Board
SHIELD PLATE, M/B
Earth Plate
CP (3x6)
Figure 4-4. Circuit Board Removal
6. For removing each circuit board assembly from the M/B Shield Plate,
remove the screws securing each unit and shield plate.
!
C304MAIN Board: Total 12 screws
9 screws: CBS (3x6)
3 screws: CP (3x6)
!
C298PSB/PSE Board: Total 4 screws (CBS, 3x6)
Disassembly And Assembly
CBS (3x6)
C304MAIN Board
Earth Plate
Disassembly Procedures
!
Since the CN10 is a locking connector, be sure to unlock
C A U T I O N
it before disconnecting the cables.
!
Since the head FFCs have the same number of pins, be
sure to connect them to the right connectors.
!
When connecting the cables, connect them to the
correct connectors paying attention to the number of
the pins.
!
Be sure to perform the following adjustments when you
A D J U S T M E N T
R E Q U I R E D
replace the Main Board:
1. Initial ink charge
2. Head drive voltage input
3. Head angular adjustment
4. Bi-D adjustment
5. USB ID data input (Refer to Chapter 5.)
!
Be sure to replace the following parts when replace the
Main Board:
1. Waste ink absorbers
2. Ink cartridge (BK & Color)
Note this part replacement is required since several counters
stored in the EEPROM are lost with a Main board
replacement.
Revision B
81