Rrp9.7 Machine Control Unit (Mcu) (Pl) - Dell 5110cn Service Manual

RRP9.7 MACHINE CONTROL UNIT (MCU) (PL9.1.16)
Use the wrist strap to protect the PWB from the electrostatic.
[Removal]
1) Turn the power switch off. Remove the power cord from the wall outlet.
2) Remove TOP COVER FRAME. (RRP1.1)
3) Remove RIGHT SIDE COVER. (RRP1.7)
4) Remove LEFT SIDE COVER. (RRP1.12)
5) Remove COVER ASSY REAR. (RRP1.5)
6) Remove HIGH VOLTAGE POWER SUPPLY (HVPS). (RRP9.9)
7) Disconnect the three connectors (P/J151, P/J141, P/J3411) of the rear side of the printer,
release the harness of the connectors from the clamp.
8) Release the hooks at two locations, of COVER ELEC (PL9.1.18), and remove hooks.
Take care not to allow the removed connectors to be drawn inside the printer.
9) Remove all connectors inside COVER ELEC.
10) Remove a screw (silver, 6 mm) that fixes BRACKET ASSY MCU inside COVER ELEC of the
printer.
11) Remove a screw (silver, 6 mm) that fixes BRACKET ASSY MCU to the right side of the
printer.
12) A little draw out BRACKET ASSY MCU from the right side of the printer. Remove all
connectors that appear above MACHINE CONTROL UNIT (MCU).
Take care not to allow the removed connectors to be drawn inside the printer.
13) Further draw out BRACKET ASSY MCU, remove all connectors on MACHINE CONTROL
UNIT (MCU).
14) Remove BRACKET ASSY MCU from the printer.
15) Remove seven screws (silver, 6mm) that fix MACHINE CONTROL UNIT (MCU) to
BRACKET ASSY MCU and remove MACHINE CONTROL UNIT (MCU).
Chapter 3 Removal and Replacement Procedures (RRPs)
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