Dell 3110cn Service Manual page 334

Removal 34 PRINT HEAD (PL5.1.99)
Steps 1 through 8 are for reference. Before removing this component, check that Steps 1 through 8
have been performed.
1) Open the FRONT COVER (PL1.2.1).
2) Remove the FUSER. (Removal 8)
3) Remove the REAR COVER. (Removal 12)
4) Remove the RIGHT COVER. (Removal 13)
5) Remove the LEFT COVER. (Removal 22)
6) Remove the TOP COVER. (Removal 30)
7) Remove the FAN. (Removal 31)
8) Remove the LOW VOLTAGE POWER SUPPLY. (Removal 33)
9) Remove the SHIELD ASSY ESS. (Removal 27)
10) Disengage the connector (P/J12) of the PRINT HEAD (PL5.1.2) from the MACHINE CON-
TROL UNIT (PL9.1.20).
11) Remove the CORE (PL5.1.22) from the harness of the PRINT HEAD, and then pull out the
connector through the hole on the SHIELD MCU (PL9.1.11).
Continues to the next page.
Version 3 2007.03.15
Chapter 3 Removal and Replacement Procedures (RRPs)
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