Chapter 3
3-21
(7) Remove the screw (c) and then remove the Power supply unit.
F-3-26
Removing the Power supply unit (MP390 only)
Please make sure to attach the Power supply unit to the main unit only after connecting a grounding cable to the unit.
If a grounding cable is connected to the Power supply unit after the Power supply unit is attached to the main unit, it
may damage the Power supply unit with electrical stress.
Download Service Manual And Resetter Printer at http://printer1.blogspot.com