Service manual

EPSON Stylus C82 Revision A
DISASSEMBLY AND ASSEMBLY Disassembly 31
3. Remove 4 screws (C.B.S 3x6: 1, C.B.S 3x8: 2, C.B.S 3x16: 1) holding C486 Main
Board, then remove Printer Mechanism from C486 Main Board in upward
direction.
Figure 4-15. Main Board Removal 2
W A R N I N G
The CN19 cable on the C486 Main Board has a specified
installation direction. The pin connected to the blue line of the
cable should be inserted into the Pin 1 side of the connector.
Figure 4-16. CN19 Connection Direction
C.B.S 3x8
(8±1kgf.cm)
C.B.S 3x8
(5±1kgf.cm)
C.B.S 3x16
(5±1kgf.cm)
C.B.S 3x6 (5±1kgf.cm)
CN19
<Printer Front Side>
<Printer Rear Side>
Blue Line
Pin 1
W A R N I N G
When C486 Main Board has been replaced by a service part, the
installation screw holes do not have threads, as shown below.
When installing C486 Main Board to the Printer Mechanism,
metal chips that are formed in the process can become a source
for shorting the printer. For this reason, use a brush to clean 2
places in the order shown below and remove the metal chips.
Figure 4-17. Metal Chips Removal
C H E C K
P O I N T
C486 Main Board has no ROM and is established as a service part
by the Socket attachment.
A D J U S T M E N T
R E Q U I R E D
When replacing the C486 Main Board, the adjustments are
necessary. Refer to "Chapter 5 Adjustment" for the adjustment
procedures.
1
2
C486 Main Board
Screw Installation Holes