EPSON EPL-N3000/AcuLaser M4000N Revision C
Operating Principles Functions of Major Components 45
Confidential
2.5 Functions of Major Components
The following sections explain the functions of the major components of the printer:
2.5.1 Various Sensors (p.45)
2.5.2 PAPER CASSETTE (p.46)
2.5.3 PAPER FEEDER (p.48)
2.5.4 XERO (p.49)
2.5.5 FUSER (p.51)
2.5.6 500 PAPER EXIT & FACE UP TRAY (p.52)
2.5.7 DRIVE (p.53)
2.5.8 ELECTRICAL (p.54)
2.5.9 OPTION FEEDER (p.55)
2.5.10 DUPLEX (p.56)
2.5.11 OCT (p.57)
2.5.1 Various Sensors
Table below lists various sensors.
Table 2-1. Various Sensors
Unit Detection Item Detection Method Note
Standard
MP Cassette
Presence of cassette
Automatic detection
using sensor
No paper
Automatic detection
using sensor
Paper size
Automatic detection of
paper control lever using
sensor
7 types
Cassette
Presence of cassette
Automatic detection
using sensor
No paper
Automatic detection
using sensor
Paper size
Automatic detection of
paper control lever using
sensor
7 types
Standard
Face-down tray
Paper output full
Automatic detection
using sensor
Paper output destination
Switched manually using
the lever
Face-up Full Paper output destination
Switched manually using
the lever
If the face-up tray is
chosen, the delivery to
duplex printing and
OCT will not be made.
EP Cartridge
Presence of cartridge
Automatic detection
using CSIC
Presence of new cartridge IC chip detection method
Toner near empty Soft counter No sensor
Toner empty Soft counter No sensor
Fuser Unit
Fuser Unit
Automatic detection by
connector connection
New product None
Reset: inputs from an
operation panel.
Near end Soft counter (by engine)
Optional
550 Sheets
Cassette Unit
Presence of unit
Automatic detection
using connector
connection
Presence of cassette
Automatic detection
using sensor
No paper
Automatic detection
using sensor
Paper size
Automatic detection of
paper control lever using
sensor
7 types
Near end —
Duplex Unit Presence of unit
Automatic detection
using connector
connection
OCT
Presence of OCT unit
Automatic detection
using connector
connection
Paper output full Automatic detection
Table 2-1. Various Sensors
Unit Detection Item Detection Method Note