2-20
FS-1900
(2) Interface indicator
The INTERFACE indicator $ shows which of the printer's interfaces is currently active. It uses
the following abbreviations:
Message Meaning
--- No interface is currently used.
PAR Standard bidirectional parallel interface
USB Standard USB interface
SER [Option] serial interface board (RS-232C)
OPT [Option] network interface card
Message
Paper size
Message
Paper size
A4 ISO A4 (21 × 29.7 cm) EX Executive (7-1/4 × 10-1/2 inches) *
A5 ISO A5 (14.8 × 21 cm) B6 JIS B6 (12.8 × 18.2 cm) *
DL ISO DL (11 × 22 cm) * #6 Commercial 6-3/4 (3-5/8 × 6-1/2 inches) *
A6 ISO A6 (10.5 × 14.8 cm) * #9 Commercial 9 (3-7/8 × 8-7/8 inches) *
B5 JIS B5 (18.2 × 25.6 cm) O2 Oficio II (8-1/2 × 13 inches) *
LT Letter (8-1/2 × 11 inches) ST Statement (5-1/2 × 8-1/2 inches) *
LG Legal (8-1/2 × 14 inches) FO Folio (210 × 330 cm) *
MO Monarch
(3-7/8 × 7-1/2 inches)
*
HA Japanese postcard (10 × 14.8 cm) *
BU Business (4-1/8 inches) * OH Return postcard (20 × 14.8 cm) *
DL ISO DL (11 × 22 cm) * Y2 Envelope [Youkei 2] (114 × 162 cm) *
C5 ISO C5 (16.2 × 22.9 cm) * Y4 Envelope [Youkei 4] (105 × 235 cm) *
b5 ISO B5 (17.6 × 25 cm) * CU Custom size
(14.8 × 21 cm to 21.6 × 35.6 cm)
* with only the MP tray feeding
The PAR , USB, SER , or OPT indicator flashes when the printer is receiving data and remains
indicated for the duration of the interface time-out time.
(3) Paper size indicator
The SIZE indicator # indicates the size of the current paper cassette. Default is Letter size for the
U.S.A. and A4 for European countries. While the printer is Processing data to print, the SIZE
indicator switches to indicate the paper size selected by the application software.
The following abbreviations are used to indicate paper sizes.