Functions Of Major Components; Various Sensors - Epson EPL-N3000 Service Manual

EPSON EPL-N3000/AcuLaser M4000N

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
Presence of cassette
No paper
MP Cassette
Paper size
Presence of cassette
No paper
Cassette
Paper size
Operating Principles
Detection Method Note
Automatic detection
using sensor
Automatic detection
using sensor
Automatic detection of
paper control lever using 7 types
sensor
Automatic detection
using sensor
Automatic detection
using sensor
Automatic detection of
paper control lever using 7 types
sensor
Functions of Major Components
Table 2-1. Various Sensors
Unit Detection Item
Automatic detection
Paper output full
using sensor
Face-down tray
Switched manually using
Paper output destination
the lever
Switched manually using
Face-up Full Paper output destination
the lever
Automatic detection
Presence of cartridge
using CSIC
Presence of new cartridge IC chip detection method
EP Cartridge
Toner near empty Soft counter
Toner empty Soft counter
Automatic detection by
Fuser Unit
connector connection
Fuser Unit
New product None
Near end Soft counter (by engine)
Automatic detection
Presence of unit using connector
connection
Automatic detection
Presence of cassette
using sensor
550 Sheets
Automatic detection
Cassette Unit No paper
using sensor
Automatic detection of
Paper size paper control lever using
sensor
Near end —
Automatic detection
Duplex Unit Presence of unit using connector
connection
Automatic detection
Presence of OCT unit using connector
OCT
connection
Paper output full Automatic detection
Revision C
Detection Method Note
If the face-up tray is
chosen, the delivery to
duplex printing and
OCT will not be made.
No sensor
No sensor
Reset: inputs from an
operation panel.
7 types
45
Confidential