Ricoh FT6645 Manual page 206

SERVICE PROGRAM MODE
6 Change fixed R/E
This copier has 10 fixed ratios (4 enlargements and 6 reductions). You can
change these fixed reproduction ratios to different ratios.
7 Set standard tray display
Paper Tray Priority
Auto Paper Select Priority
Paper Tray Display
in APS mode
Auto Tray Switching
When Auto Paper Select is canceled, the 1st tray is
selected as a default setting. You can cancel this setting
and select the other tray as a default setting.
Default: OFF
As a default setting, the Auto Paper Select is selected.
You can cancel this setting.
Default: Yes
In the default setting, the tray display is shown only when
the Auto Paper Select mode is canceled. You can cancel
this setting and have the tray display shown always.
Default: No
If you load paper of the same size and in the same
direction in two or more paper trays, the machine
automatically shifts to the other tray when the tray in use
runs out of paper.
Default: Yes
Bypass feed tray, and trays for cover sheet and slip sheet
cannot be used for Auto Tray Switching.
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23 April 1993