January 2016
4-9
WorkCentre WorkCentre 4150/4250/4260WorkCentre 4150/4250/42604150/
REP 1.5
Repairs and Adjustments
7. If installed, remove the Fax Holder by gently pulling it off its mounts on the Main PWB
(Figure 2):
Figure 2 Removing the Fax Holder (4265)
8. If installed, remove the fax PWB module, PL 1.15 Item 14.
9. If installed, remove the following PWBs from the main PWB:
• Foreign device interface PWB, PL 1.15 Item 15.
•Memory DIMM, PL 1.15 Item 22.
10. Disconnect all connectors from the main PWB.
11. Remove the main PWB by removing the six mounting screws.
12. If a new main PWB is to be installed, remove the fax holder, PL 1.15 Item 24 from the old
main PWB.
13. If a new main PWB is to be installed, remove the MSOK, PL 1.15 Item 25 from the old
main PWB.
Replacement
1. Replacement is the reverse of the removal procedure.
2. If a new main PWB has been installed, perform the following:
a. Install the fax holder onto the new main PWB.
b. Install the MSOK onto the main PWB.
c. Use the information on the printed lists to re-enter the customers settings. Refer to
GP 4 System Administration Tools.
d. If necessary, re-enter the machine serial number, refer to GP 21 Set Machine Serial
Number.
NOTE: Re-entering the machine serial number is not necessary if the original MSOK
is reinstalled.
NOTE: If after installing a new Main PWB and powering on the printer, the Install
Wizard appears on the User Interface, this indicates a software incompatibility
between the User Interface and the Main PWB. Solution: downgrade the machine to
base software (GSN Library 12300), change the Main PWB, and then perform the
software upgrade. Another solution would be to replace the Main PWB and the User
Interface at the same time.
e. Perform Shading Adjustment 14.3.
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