User Guide

Table 1-15 Paper deck media switch combinations (continued)
Paper size Cassette media-width switch Cassette media-end switch
Top Center Bottom Top Center Bottom
Ledger
OFF OFF ON OFF OFF ON
A3 OFF OFF OFF OFF OFF ON
Paper deck lift-up operation
The paper deck lifts up the tray to keep the surface of paper at the pickup position whenever the
following occurs:
The product is turned on
The cassette is installed
The paper stack surface lowers by pickup operation
NOTE: The following figure illustrates the mechanism for paper deck cassette 3, but each paper deck
cassette has the same mechanism.
Figure 1-52 Paper deck lift-up operation
M92
SR92
Lifter
Lifting plate
PD cassette 3 media stack surface sensor
PD cassette 3 lifter motor
Cassette 1
Cassette 2
Cassette 3
The operational sequence of the lift-up is as follows:
1. The PD cassette 3 lifter motor rotates to raise the lifter.
2. The PD cassette 3 lifter motor stops when the PD cassette 3 media stack surface sensor detects the
paper surface.
3. The PD cassette 3 lifter motor rotates again when the PD cassette 3 media stack surface sensor
detects that the stack surface lowers during a print operation.
72 Chapter 1 Theory of operation ENWW