Epson 4100 manual

G-4 Glossary

FACTORY DEFAULT. A default assigned at the factory.

FORM. The area of paper defined between top of form positions.

FORM FEED. A control key on the printer switch panel and a control code used to advance the paper to the top of the next form.

FORMS OPTIONS. Used to select the appearance of the printed form. Accessed from the printer switch panel or by sending control commands from the computer.

HANDSHAKING. The exchange of signals or characters between connected devices to control data flow and prevent data loss. See DTR and X-ON/X-OFF.

HEXADECIMAL. A numbering system that uses the numbers 0 to 9 and the letters A to F, so that each digit can represent sixteen different values.

INTERFACE. The physical and logical connection between two devices.

See PARALLEL INTERFACE and SERIAL INTERFACE.

LANGUAGE CHARACTER MAP. Same as NATIONAL-USE CHARACTER MAP.

LINE FEED. A control key on the printer switch panel and a control code used to advance the paper one line.

MAPPING. Process of assigning characters and control codes to data byte

values.

NATIONAL-USE CHARACTER MAP. Character maps specific to different countries can be selected using the configuration menu.

NEAR LETTER QUALITY (NLQ). A method of printing used to increase the quality of printed characters. This option is set using the configuration menu, accessed from the printer switch panel, or with a control command.

ON LINE. When the printer is on line, it is able to print data. The printer is placed on line or off line by pressing the ON LINE key located on the printer switch panel.