
Section 6. Replacement Procedures
6.2 Replacing the Main Circuit Board
The Main Circuit Board contains the control electronics for the printers and is located behind L.H. cover of the printer. The I/O PCB interface and optional memory card unit if installed, which are attached to the main circuit board must first be removed.
NOTE: Many of the components on this board are susceptible to damage by static electricity. To avoid damage from static electricity, do not unpack new circuit boards from
STEP PROCEDURE
1.Switch the printer OFF and disconnect the power cable.
2.Remove (3) screws holding the left side cover to the printer. Raise the access door and loosen the (2) screws on the inside top of the printer. Lift off the left side cover to expose the main PCB. Fig.
RAISE THE ACCESS DOOR AND LOOSEN
(2) SCREWS ON THE INSIDE TOP OF THE PRINTER
Fig.
REMOVE (3) SCREWS
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