08/2012
4-51
WorkCentre 5021/5019
REP 18.1.1
Repairs and Adjustments
Initial Issue
REP 18.1.1 ESS/MCU PWB
Parts List on
PL 18.1
Removal
WARNING
When turning OFF the power switch, check that the 'Data' lamp is OFF and that there is
no Job in progress.
Turn OFF the power switch and make sure that the screen display turns OFF.
Check that the power switch is OFF and unplug the power plug.
CAUTION
Static electricity may damage electrical parts.
Static electricity may damage electrical parts. Always wear a wrist band during servicing. If a
wrist band is not available, touch some metallic parts before servicing to discharge the static
electricity.
CAUTION
Do not get yourself hurt by a soldered portion on the back of the PWB.
1.
Remove the Rear Cover. (
REP 19.2.1
)
2.
Remove the Connector Bracket. (Figure 1)
(1)
Remove the screw (x2).
(2)
Remove the Connector Bracket.
Figure 1 j0yg41801
3.
Disconnect the connector. (Figure 2)
(1)
Disconnect the connector (x19).
Figure 2 j0yg41802
4.
Remove the ESS/MCU PWB. (Figure 3)
(1)
Remove the screw (x6).
(2)
Release the hook and remove the ESS/MCU PWB.
Figure 3 j0yg41803
Replacement
1.
To install, carry out the removal steps in reverse order.
2.
When replacing the ESS/MCU PWB, remove the EEP ROM from the old ESS/MCU PWB,
and install it to the new one. (Figure 4)
Содержание WorkCentre 5019
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Страница 417: ...08 2012 7 34 WorkCentre 5021 5019 CH1 2 Initial Issue Wiring Data CH1 2 DC Power Generation 5VDC Figure 1 j0yg730102 ...
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Страница 442: ...08 2012 7 59 WorkCentre 5021 5019 CH7 1 Wiring Data Initial Issue CH7 1 Tray 2 Sensing 1TM Figure 1 j0yg730701 ...
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