Paper-size detection and cassette-presence detection
The paper-feeder cassette media-size switch (SW1) detects the size of paper loaded in the paper-feeder
cassette. The paper-feeder driver determines the media size by monitoring the combination of the
switches.
Figure 5-47 Paper size detection
Paper size Paper-feeder cassette media-size switch settings
Top switch Center switch Bottom switch
Universal On On On
ENWW Optional paper feeder 169