Ricoh SP 330SFN, Service Manual, Page: 80 / 333

ADF/ARDF Unit (Only MF Models)
M0C3/M0C4/M0C5/M0C6/M0C7 4-34 SM
4.5.2 ARDF UNIT (FOR TOUCH PANEL MODELS)
ARDF Unit
1. Remove the scanner unit ( Scanner Unit ).
2. Turn the scanner unit over, and move the harnesses out of the frame.
3. Open the ARDF unit [A] and remove it in the direction of the blue arrow (hooks).
Original Tray
1. Open the original tray [A] and remove it (two tabs).