SSD COMPANY LIMITED 420 - Manual (Page 37)

Mode Menu 37
CSF Type, Default = Wide
To avoid paper jams, change this setting to Narrow if you are
using the optional Cut Sheet Feeder on the wide model ML421
printer.
Diagnostic Test, Default = No
Appears only when the optional Serial Interface is installed.
Select yes to perform a diagnostic test of the serial interface.
DRAFT Mode, Default = HSD
Applies only when the Print Mode is set to DRAFT. Selects the
draft mode to be used: HSD (High Speed Draft) or SSD (Super
Speed Draft).
DSR Signal, Default = Valid
Appears only when the optional Serial Interface is installed.
Used with the Ready/Busy protocol (factory default) to select
the way your system handles the DSR signal.
DTR Signal, Default = Ready on Power Up
Appears only when the optional Serial Interface is installed.
Change to Ready on Select if the DTR signal is required when
the printer is selected (leave as Ready on Power Up if the DTR
signal is required when the printer is turned on).
Emulation Mode, Default = IBM PPR
Selects the printer command set (emulation) you want to
engage.
ESC SI Pitch, Default = 17 cpi
Sets the character pitch used when the ESC SI command is
received.
Form Tear-Off, Default = Off
Choose 500 ms, 1 sec, or 2 sec to turn the Form Tear-Off
feature on and to set the time interval for the printer to wait
before advancing the paper.
Graphics, Default = Bi-directional
Change to uni-directional graphics for better registration, but
slower printing. With this set for bi-directional, you can
optimize the registration using the Print Registration setting in
the Menu.