Dell 3110cn Service Manual page 335

Removal 34 PRINT HEAD (PL5.1.99)
12) Remove the four screws (silver, tap, 10mm) that fix the two SPRING ROSs (PL. 5.1.1) to the
printer at the left and right sides.
13) Remove the left and right SPRING ROSs from the printer.
14) Remove the PRINT HEAD from the printer by pulling it up slowly by the handle.
Version 3 2007.03.15
Chapter 3 Removal and Replacement Procedures (RRPs)
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