Dell 5210n Mono Laser Printer, Руководство по обслуживанию

Страница: 234 / 430

4-12
Service Manual
Upper front cover removal
Warning:
When replacing any one of the following components:
•
Operator panel assembly (or upper front cover)
•
System board assembly
•
Interconnect card assembly
Only replace one component at a time. Replace the required component and perform a POR before replacing a
second component listed above. If this procedure is not followed, the printer will be rendered inoperable. Never
replace two or more of the components listed above without a POR after installing each one or the printer will be
rendered inoperable.
Warning:
Never install and remove components listed above as a method of troubleshooting components.
Once a component has been installed in a printer, it can not be used in another printer. It must be
returned to the manufacturer.
1.
Open the lower front cover.
2.
Open the upper front cover.
3.
Remove the screw (A) holding the upper front cover outer bezel to the hinge.
4.
Remove the two screws (B) that hold the upper front cover to the hinge assembly.
5.
Lift the upper front cover, and pull forward to release the four tabs holding the upper front cover.