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Upper printer engine PCBA removal
WARNING
Ensure that the NVM EPROM is removed from the defective PCBA and installed to the new
PCBA or damage to the machine may occur. For more details, go to
reinstallation" on page
Remove the rear upper cover. See
1.
Disconnect the input option cable (A).
2.
3.
Remove the lower engine PCBA. See
Disconnect all the cables from the upper printer engine PCBA.
4.
Remove the six screws (B).
5.
4-188.
"Rear upper cover removal" on page
"Lower engine PCBA removal" on page
7558-xxx
"Upper engine PCBA
4-19.
4-104.
Repair information
4-187
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