Oki IP-6620 Maintenance Manual page 436

4.
Remove the TRAY(WI) with two securing
screws.
Note
When assembling the TRAY(WI), always insert the tubes between the TRAY(WI) protrusions with
their extremities touching the bottom surface of the tray.
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 6 Parts Replacement (Disassembly/Reassembly)
TRAY(WI)
The tube extremity touches
the bottom of the TRAY(WI).
6-107