4-44
Assembly
Access
Reassembly Notes
Two pins
on
bottom of chip module carrier must mate with two holes
in
printhead interconnect board. Otherwise, damage to chip modules
could occur when
head
backing plate
is
replaced. Ensure chip modules
are correctly seated
and
that chip module carrier
and
printhead inter-
connect
board
are flush with each other. Ensure that
head
backing plate
is
flush with chip modules before replacing screws. Do not force plate
and
modules to be flush or damage could result.
Remember to replace ground strap when installing heat sinks.
Logic Board/Motor Drive
Board
To remove the printer
and
separate the logic
board
from the motor drive board, proceed as follows:
1.
UNPLUG COMPUTER POWER CORD FROM AC OUTLET.
2. Remove printer from computer as previously described.
3. From front of printer, disconnect two signal/power cables,
one
from each
board
(Figure
4-36).
4. Place printer
on
its
front.
5. Disconnect three cables from the boards, two from motor drive
board
and
one
from logic
board
(Figure 4-45).
*
*
CABLE CONNECTOR
Figure 4-45. Disconnecting
Cables
from Logic
and
Motor Drive
Boards
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