Oki MICROLINE ML521 Reference Manual

Chapter 5: Custom Character Commands 43
Epson Custom Character Commands for 9-Pin Printers
Copy ROM to RAM Command for 9-Pin Printers (Epson)
⻬ ML320 E/I, ML321 E/I ⻬ ML320 Turbo, ML321 Turbo
Function ASCII Dec Hex
Copy ROM Character Set
to RAM Character Set
ESC : NUL NUL NUL 27 58 0 0 0 1B 3A 00 00 00
This command is used with the ML320 E/I, ML321 E/I, ML320T, or ML321T printer to copy a
complete set of the characters resident in the printer to the area of its memory reserved for
custom characters. The new character will become part of this character set.
⻬ ML520, ML521
Function ASCII Dec Hex
Copy ROM Character Set
to RAM Character Set
ESC : NUL n NUL 27 58 0 n 0 1B 3A 0 n 0
This command is used with the ML520 or ML521 printer to copy a complete set of the
characters resident in the printer to the area of its memory reserved for custom characters. The
new character will become part of this character set. This makes it possible to mix standard
characters with your custom characters when you print.
Parameter n is used to specify the NLQ font to be used:
n = 0: NLQ Courier
n = 1: NLQ Sans Serif
Down Line Load Characters Command for 9-Pin Printers (Epson)
⻬ ML320 E/I, ML321 E/I ⻬ ML320 Turbo, ML321 Turbo ⻬ ML520, ML521
Function ASCII Dec Hex
Down Line Load
Characters
ESC & NUL n
1
n
2
a
[data]
27 38 0 n
1
n
2
a
[data]
1B 26 00 n
1
n
2
a
[data]
Use this command to begin downloading the character(s).
Parameters n
1
n
2
These parameters specify the range of characters to be replaced with new ones. Multiple
characters must be assigned to adjacent locations. Parameter n
1
indicates the first character that
will be replaced; parameter n
2
indicates the last character that will be replaced.
Custom characters can normally be assigned to decimal locations 32 to 126 and 160 to 255. If
IBM Character Set II is selected (ESC 6 command), characters can also be assigned to locations
128 to 159.
Parameter a
This parameter indicates how the character will be positioned within its grid as follows:
Ascenders: a is calculated as
last dot column of character + (first dot column x 16) + 128

Oki MICROLINE ML521 Specifications

General

Brand	Oki
Model	MICROLINE ML521
Category	Printer
Language	English