Specifications

EPSON EPL-N1600 Chapter 2 Operating Principles
Rev. A 50
BTR: The BTR (Bias Transfer Roll) is in contact with
the Drum and rotates alon
g
with the Drum bein
g
driven by the Drum Gear. The BTR applies a
positive char
g
e to the back side of the paper
when the paper travels between the BTR and
the Drum. The toner ima
g
e transfers from the
Drum surface to the front side of the paper bein
g
attracted by the positive char
g
e on the back side
of the paper.
Sensor Toner: A ma
g
netic sensor that detects when toner is
low in the Toner Compartment of the Ima
g
in
g
Cartrid
g
e. (Amount of toner is monitored by both
Sensor Toner and a software counter, and
“Toner Low” messa
g
e is displayed whenever
the condition is detected by Sensor Toner, prior
to the status of software counter.)
Switch Assembly 5V Interlock:
Detects the closin
g
of the Cover Assembly Exit
as illustrated in fi
g
ure below. The si
g
nal is used
in the control circuit for the Printer.