User Guide

Jam detection
The product uses the following sensors to detect the presence of media and to check for jams. If media
does not reach or pass each sensor within a specified time, the ECU determines that a jam has
occurred and alerts the formatter.
NOTE: To find the following components, see Photo sensors and switches on page 36.
Table 1-14 Sensors
Paper Jam Sensors PS2 fuser delivery sensor
PS215 Top-of-Page (TOP) sensor
PS502 Duplex media-feed sensor
Media present sensors PS4 Face-down tray media-full sensor
PS225 Media width sensor
PS8008
NOTE: PS8008 is used in Tray 3 and
Tray 4.
Paper feeder media-feed sensor
The product detects the following jams:
Pickup delay jam
Pickup stationary jam
Delivery delay jam
Delivery stationary jam
Fuser wrapping jam
Door open jam
Residual media jam
Duplex repickup jam
42 Chapter 1 Theory of operation ENWW