Specifications

6-86
6.7.3 MISFEED DETECTION
6.7.3.1 Misfeed Detection
6.7.3.1.1 Misfeed Detecting Sensors Layout
Paper exit sensor
PC3
Duplex unit transport
sensor PI1
Synchronizing roller
sensor PC2
6.7.3.1.2 Types of Misfeed and Misfeed Detection Timings
Type Detection Timing
Paper left The output from Duplex Unit Transport Sensor PI1 is blocked (L)
when the machine Power Switch is turned ON or a misfeed is reset.
Paper take-up failure
1. Synchronizing Roller Sensor PC2 is unblocked (H) at a shorter than
normal tim7e after a Duplex paper take-up sequence has started.
2. Synchronizing Roller Sensor PC2 is not unblocked (H) within a
given period of time after a Duplex paper take-up sequence has
started.
Paper leading edge detection
during transport through
Duplex Unit
Duplex Unit Transport Sensor PI1 is not blocked (H) within a given
period of time after Paper Exit Sensor PC3 has been unblocked (H).