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Service Guide DOC-IT3000/4000
Chapter 3 Maintenance & Disassembly
3.2.36 Power Supply Unit
· Remove the upper cover, main controller pcb, engine controller pcb, paper supply unit,
motor assembly, DC fan assembly.
· Disconnect the two high-voltage cables (1).
Note:
When installing, the cables are keyed for correct placement. The larger connector is to the
front of the printer.
· Remove the screw (2) and detach the ground cable (3). [Only for 200 volt]
· Remove the three screws (4). The longest screw (4A) goes in back.
· Remove the ground plate (5).
· Raise the upper unit (Not shown).
· Use needle nose pliers to remove the left torsion spring (6).
· Lift the power supply unit (7) until it comes off the front guide (8) of the lower unit (9).
· Slide the power supply unit towards the front to detach it from the rear claws (10) for
removal.
· Working from the underside of the unit, release the AC cover claws. (Not shown)
· Remove the AC cover (11) and AC contact plate (12). These items are located in the
base frame. You must remove the power supply unit to access these items. However, you
do not have to remove these items to remove the power supply unit.
P/N 56411401
Power Supply 120 V
RSPL
B.2.08
P/N N/A
Ground Plate
B.2.08
P/N 53502301
AC Cover
B.2.08
P/N 53057901
Contact Plate AC
B.2.08
Summary of Contents for DOC-IT3000
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