Oki ES3640MFP Component Replacement Manual page 21

MPT Tray
The (MPT) Tray feeds standard and custom size media into the printer. The printer's Feed
Motor, shared with Tray 1, drives the (MPT) Feed Roller to feed media from the tray. (MPT)
components include:
• Feed Rollers (Feed, Retard, and Pick-up) - Transport media from MPT Tray to the
Registration Assembly.
• MPT Tray No Paper Sensor - Detects when media is in MPT Tray
• MPT Tray Level Sensor - Detects the presence of media at the Pick-up Roller.
• MPT Home Position Sensor - Located in the Registration Assembly, it detects the
position of the Feed drive.
• Feed-Out Sensor - Detects media exiting the MPT Tray Feed Rollers
• OHP Sensor - Detects when transparency media is being fed to the Registration
Assembly.
MPT Home Position Sensor
Feed Out Sensor
Pick-up Roller
Retard Roller
Feed Roller
Door Interlock Switch
Paper Level Sensor
No Paper Sensor