Dell 2135cn Service Manual page 576

Chapter 3 Removal and Replacement Procedures (RRPs)
21) Release the relay connector from the
rib of the printer, disengage the connecter
(P/J231) of the SOLENOID FEED MSI.
22) Remove the one screw (silver, tap,
8mm) that fixes the SOLENOID FEED MSI
to the printer, remove the SOLENOID
FEED MSI.
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Version 1 2008.02.01