Epson EPL-N1600 Service Manual page 41

EPSON EPL-N1600
PAPER TRANSPORTATION I
Rev. A
Drive ASSY. : This unit distributes a drive that transmitted from
the main motor, to Feed Rolls (Roll Assembly
Feed and Roll Assembly MBF), Turn Rolls (Roll
Assembly Turn), and also to the optional units
Solenoid Feed: Releases the drive gear of the Roll Assembly
Feed to allow the gear to rotate when actuated
and latches the gear when the gear rotates one
turn.
Roll Assembly Feed: Rotates one turn each time the Solenoid Feed is
actuated. The Roll Assembly Feed pushes one
sheet of paper out of the Paper Cassette during
each rotation.
Rolls Assembly Turn: Drives paper fed into the printer.
Sensor Pre-Registration and Actuators Pre-Registration A / B:
Detect when a paper reaches the position
before the Sensor Registration. The signal from
this sensor is used for paper jam detection.
Sensor Registration and Actuator Registration:
Detect when a paper reaches the position just
before the EP Cartridge Drum. The signal from
the Sensor Registration is used as the reference
timing signal for generating the P.SYNC (Page
Synchronization) signal inside the MCU. The
signal from this sensor is also used for paper
jam detection.
Sensor No Paper and Actuator No Paper:
Detect when the Paper Cassette is out of paper.
Chapter 2 Operating Principles
42