Dell 3010CN Service Manual page 149

RRP2.1 250 SHEET PAPER TRAY (PL 2.1.1)
[Removal]
1) Pull out 250 SHEET PAPER TRAY (PL 2.1.1) till it stops, lift up its front and remove 250
SHEET PAPER TRAY from 250 PAPER FEEDER.
[Replacement]
1) While lifting up the front side of 250 SHEET PAPER TRAY, insert it in 250 PAPER FEEDER,
and then push it in to the end in horizontal state.
Chapter 3 Removal and Replacement Procedures (RRPs)
3 - 51