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Roland SJ745ex printer does not startup properly

Bachop

New Member
Hi everybody, I have problem that i.m trying to diagnose but cant power up the printer for long enough to get any error messages.
The printer (Roland SJ745ex) displays the name of the printer but then shuts down after about 1second.
The Sub power seems to be OK.
When I disconnect the Servo board I then get an error message and the printer remains on.
No differnaces in service mode either
If it is the Servo board, I am concerned that when I replace it, the intital problem of why the board has blowen wont of been fixed and will simply blow the board again.
 
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