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Pin breakage occurs if the EPROM is carelessly removed.
9.
When replacing the ESS PWB, remove the EPROM, the Memory PWB, and the Post-
script PWB (if present, optional)
(Figure
9
Figure 8 ESS PWB
Replacement
A fatal error occurs to machine software if the ESS PWB is replaced before the EPROM is
installed on the ESS PWB, and powered on.
1.
When replacing the ESS PWB, install the EPROM, the Memory PWB, and the Postscript
PWB (if present, optional) from the old ESS PWB onto the new PWB.
2.
To reinstall, carry out the removal steps in reverse order.
3.
For easier reinstallation of the ESS PWB perform the following.
a.
Reinstall the PWB with the right screws (3) and center screws (3) but do not tighten
them.
b.
Reinstall the panel left side and tighten the screws (5).
c.
Reinstall the PWB connector screws (5) and tighten them.
d.
Reinstall the PWB left side screws (3), and tighten all the PWB screws (9).
e.
Continue the reinstallation.
Initial Issue
WorkCentre 5335 Family Service Documentation
CAUTION
8).
CAUTION
BUS Updated 12/2011
REP 3.4 AC Driver PWB
Parts List on
PL 18.2
Removal
1.
Switch off the power and disconnect the power cord.
2.
Remove the ESS Chassis
REP
3.
Disconnect the AC Driver PWB connectors (3)
4.
Remove the AC Driver PWB and panel (3 Screws)
Figure 2 Removing Screws
07/2011
4-7
3.2.
(Figure
1).
3
Figure 1 PJ's
(Figure
2).
4
Repairs & Adjustments
REP 3.3, REP 3.4
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