Epson 4003353 Service Manual page 69

Disassembly and Assembly
from
5. Discomect the cables
of the C137 MAIN board.
When you replace the main board, initialize the EEPROM contents as follows;
1) Reassemble the printer.
instructions.
1. CN1l: Printhead FFC cable (white color mark)
2. CN6 : Carriage motor cable (red color mark :Also theredcolor indicates thel-p"n of the
of the CAV.)
6.
Remove the 4 CBB (M3x12) screws securing the main controller to the lower case and then
remove the C137 MAIN board.
When replacing the main controller board, adjust both the head gap and the Bi-D
adjustment alignment, and input the destination parameter into the EEPROM on the C137
MAIN Board. (See
Chapter 4.)
the main board, the parameters in the internal timer are all reset.
Therefore, it is possible thatprintingbecomes abnormally. At this time, perform the
cleaning operation by the control panel on command (Refer
becomes normally.
CN5, CN6, CN7, CN8, CN9, CN1O, CN1l,
the connectors
Figure 3-6. Main Controller Removal
Stylus Color Service Mknual
3x
to Chapter
and CN12
'12)
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Rev. A
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