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Paper Size Sensing Lower Cassette
The operator must set the appropriate paper size for the Lower
Cassette using a dial which, in turn, activates switches on the
cassette base. This setting is sent to the DC Controller on the
serial data bus (SLI). The printer posts a 41.3 SERVICE error if
the media is different from that selected with the switch.
To verify proper operation of the LC (Tray 3) switches, lock out
the MP (Tray 1) and PC (Tray 2) trays (in the Config Menu) and
perform the same test with Lower Cassette switches as was done
for the PC tray (Tray 2) switches.
Cassette Cassette Size Sensing Switch
SW603/851 SW604/852 SW605/853
Upper Middle Lower
Legal ON ON OFF
Letter ON OFF ON
A4 OFF OFF ON
Executive OFF ON ON
No Cassette OFF OFF OFF
Table 7-5 Switch Logic for Cassette Size
7-16 Troubleshooting