Layout Of Media Transport Path; Functions Of Main Components; Switch (Duplex Left Door Interlock); Sensor (Duplex Wait) - Lexmark W840 Service Manual

4024-XXX

Layout of media transport path

The main components associated with the media path and transport with the optional duplex installed.
Option exit 2 Option exit 2
Option duplex Option duplex
Duplex media Duplex media
transport roll transport roll
ASM ASM
Duplex media Duplex media
center transport center transport
roll ASM roll ASM
Duplex media Duplex media
transport pinch roll transport pinch roll
Duplex media Duplex media
transport roll transport roll
ASM ASM
MPF pick roll MPF pick roll
MPF MPF
MPF Transport MPF Transport
pinch roll pinch roll
MPF Transport MPF Transport
roll ASM roll ASM
Media transport Media transport
pinch roll pinch roll
2TM/TTM Media 2TM/TTM Media
transport roll ASM transport roll ASM

Functions of main components

When the optional duplex is installed to the left of the printer, duplex (double-sided) printing is available with the
printer.
The following outlines the functions of the main components of the duplex.

Switch (duplex left door interlock)

The switch (left door interlock) detects open/close of the left door.

Sensor (duplex wait)

The sensor (duplex wait) detects whether media is remaining in the duplex.
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Options Service Manual
Feed roll Feed roll
Separation roll Separation roll
Exit 2 media exit roll ASM Exit 2 media exit roll ASM
Exit 2 media exit pinch rolls Exit 2 media exit pinch rolls
Exit 2 media transport roll ASM Exit 2 media transport roll ASM
Exit 1 media exit roll ASM Exit 1 media exit roll ASM
Exit 1 media exit pinch rolls Exit 1 media exit pinch rolls
Pressure roll Pressure roll
Heat roll Heat roll
Transfer roll ASM Transfer roll ASM
Drum Drum
Registration pinch Registration pinch
roll roll
Registration roll Registration roll
ASM ASM
Transport roll ASM
Pick roll Pick roll
TRAY 3
Option tray 2 Option tray 2
module module (2TM)
TRAY 4