Epson EX-1000 User Manual - Page 179

bidirectional printing., User-defined characters

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Self test A method of checking the operation of the printer. When the self test is turned on, the printer prints the characters that are stored in its ROM. serial interface An interface is the connection between the computer and the printer. There are two types: a serial interface transmits data one bit at a time, and a parallel interface transmits data one character or code at a time. Subscript mode Prints characters about two-thirds of the normal height in the lower part of the character space. Superscript mode Prints characters about twothirds of the normal height in the upper part of the character space. Top of form A setting that enables the printer to begin printing in the proper place and to advance the paper correctly when it receives a form feed. Tractor The part of the printer that moves continuous-feed paper through the printer. Unidirectional printing Printing in one direction only Allows more precise vertical alignment than bidirectional printing. User-defined charactersCharacters defined and stored in the printer by the user Sometimes called download characters.

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Self test
A method of checking the operation of the printer. When the self test
is turned on, the printer prints the characters that are stored in its
ROM.
serial interface
An interface is the connection between the computer and the printer.
There are two types: a serial interface transmits
data
one bit at a time,
and a parallel interface transmits data one character or code at a time.
Subscript mode
Prints characters about two-thirds of the normal height in the lower
part of the character space.
Superscript mode
Prints characters about twothirds of the normal height in the upper
part of the character space.
Top of form
A setting that enables the printer to begin printing in the proper place
and to advance the paper correctly when it receives a form feed.
Tractor
The part of the printer that moves continuous-feed paper through the
printer.
Unidirectional printing
Printing in one direction only Allows more precise vertical alignment
than
bidirectional printing.
User-defined characters-
Characters defined and stored in the printer by the user Sometimes
called download characters.