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Assembling Notes
• Before mounting the main PCB shield frame, pass the head flat cables through the flat core and
put the flat core into place (see the previous page).
• Before mounting the main PCB,
- put the grounding plate S on the main PCB shield frame and secure it with screw "a" shown on
the previous page and
- check that the thermal conductor rubbers (two for 200V series, one for other models) are set on
the main PCB film. If they have come off, attach them to the main PCB film so that they
become aligned with the positioning markings on the main PCB shield frame as shown on the
previous page.
• When replacing the main PCB, check that the thermal conductor rubbers (two for 200V series,
one for other models) are on the main PCB film, not on the bottom of the main PCB. Take care
not to remove the old PCB with the conductor rubber being attached.
• After securing the main PCB with screw "c" (shown on the previous page), make sure that the
harnesses and flat cables are routed as shown below.
Main-MJ (EXT) harness (black)
Upper jam clear cover switch harness
PF encoder/registration
sensor harness
Speaker harness
1
Backup battery harness*
Main-MJ (LINE)
harness (blue)
Cordless PCB flat cable*
• If you replace the main PCB, also replace the ink absorber box and flushing box. Otherwise,
drained ink may overflow after long-term use.
• If you replace the main PCB, you need to make the specified adjustments and updating of
settings stored in the flash ROM, referring to
that the head/carriage unit is mounted.
Purge cam switch harness
Ink cartridge cover switch harness
Main
PCB
2
Head flat cables
Inner frame
SDAA enclosure
Ink cartridge sensor harness
Carriage motor harness
Power supply harness
1
*
For models with backup battery
2
*
For models with cordless handset
Chapter 7, Section
6-31
Carriage motor harness
Ink cartridge cover
switch harness
Purge cam switch harness
7.3. Before starting, make sure
Confidential
(6_29)
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