Epson Stylus C87 Service Manual page 58

EPSON Stylus C87/C88/D88
4) Remove the four screws that secure the Main Board Unit to the Main Unit,
and remove the Main Board Unit.
• C.B.S. 3 x 14: 2
• C.B.S. 3 x 10: 1
• C.B.S. 3 x 6: 1
C.B.S. 3 x 10
±
( 8 1 kgf.cm )
3
4
C.B.S. 3 x 6
±
( 8 1 kgf.cm )
Figure 4-36. Removing Main Board (2)
5) Remove the Main Board Cover from the Main Board Unit.
Main Board
Figure 4-37. Removing Main Board (3)
DISASSEMBLY/ASSEMBLY
1
C.B.S. 3 x 14
±
( 8 1 kgf.cm )
2
Main Board Cover
Dissasembly Procedures
When installing the Main Board Unit to the Main Unit, Secure
the screws in the order shown in
The Clump Core should be attached together with the
connector cables (CN5, CN7, CN8, and CN9) and the Ferrite
Core. When attaching the Clump Core, pay attention not to
confuse left and right.
Ferrite Core
Clump Core
Figure 4-38. Attaching Clump Core
When replacing the Main board with new one, perform the
A D J U S T M E N T
R E Q U I R E D
following service items.
If the read-out operation succeeds by adjustment program
from defective main board, replace with new board and write
the read out data to new one.
1. Ink consumption counter
2. Waste ink pad counter
3. Head ID Input
4. Bi-D Adjustment
5. Top Margin Adjustment
6. First Dot Adjustment
7. PW Sensor adjustment
Revision A
Figure 4-36.
Portions
58