Dell Colour Laser Printer 3110cn, Service Manual, Page: 387 / 621

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Chapter 3 Removal and Replacement Procedures (RRPs)
Version 2 2006.03.31
Replacement 23 ELECTRONIC SUB-SYSTEM CONTROL BOARD (PL9.1.27)
4) Mate the boss of the GUIDE ESS with the hole of the ELECTRONIC SUB-SYSTEM CON-
TROL BOARD and secure with the two hooks
5) Replace the SHIELD ASSY IF to the ELECTRONIC SUB-SYSTEM CONTROL BOARD.
6) Secure the ELECTRONIC SUB-SYSTEM CONTROL BOARD to the SHIELD ASSY IF using
the two screws (silver,6mm).
7) Secure the SHIELD ASSY IF to the connectors of the ELECTRONIC SUB-SYSTEM CON-
TROL BOARD with the screws.
When performing the step described below, ensure that the three tabs of the GUIDE ESS
are inserted into the catches on the SHIELD ASSY ESS.
When performing the step described below, ensure that the harness will not be caught
between the printer and the SHIELD ASSY IF.
8) Replace the SHIELD ASSY IF to the printer together with the ELECTRONIC SUB-SYSTEM
CONTROL BOARD by mating the two holes on the SHIELD ASSY IF with the tabs of the
printer.
Continues to the next page.