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6.2 Black Mark Printer Commands

Black Mark Command Command String Description

Reverse Dot Feed <ESC> <‘Q’> <‘J’> <n> Perform <n> reverse dot line

feeds, 0.125mm each.

Out of Paper Sensitivity <ESC> <’Q’> <’Q’> <n> On paper detect fail, postpone

the paper out error response

for <n> 0.125mm dot lines

before agging a paper out

error.

Forward Black Mark Seek <ESC> <‘Q’> <‘F’> <m> Seek black mark using

forward feed until <m>

dot line feeds have been

processed, each dot line feed

0.250mm.

Reverse Black Mark Seek <ESC> <‘Q’> <‘B’> <m> Seek black mark using

backward feed until <m>

dot line feeds have been

processed, each dot line feed

0.250mm.

Printer Black Mark Response:

Paper Found

n1 and n2 are the high and

the low nibble, respectively,

describing how many

(0.25mm) dot lines were

required to nd black mark

Printer Black Mark Response:

Paper Not Found

n1 and n2 are the high and

the low nibble, respectively,

describing how many

(0.25mm) dot lines were

processed before reporting

black mark status.

Notes:

<n> Total number of 0.125mm dot lines, 0x00 through 0xFF.

<m> Total number of 0.250mm dot lines, 0x00 through 0XFF.

n1 and n2 The total number of 0.125mm dot lines processed, while seeking the black mark.

n1 holds the high four bits (0x30 + 4 high bits).

n2 holds the low four bits (0x30 + 4 low bits).

n1 and n2 can have values 0x30 through 0x3f.

Table 6.0 – Black Mark Printer Commands

Chapter 7.0

Appendix A

A.1.0 Flash Font Download for MP200 and MP300

The major difference between the table organization in the 3500T/THS and the

2500/1500 and 3750 is that in the 3500 there are banks and tables while in the

second group of printers there are no tables – only banks. Another difference is that

the ASCII and extended tables for each font are place right one after another and that

is why it does not matter if you send Esc D A or ESC D X in the beginning. As long

as you specify the correct location the desired character or font will get downloaded

in the right spot. Both the ASCII and the Extended characters for each font are in

this big table so to say. You only need to specify the bank number ( 0..7) – no table

number is needed. You still have to send a number for the table just so the command

is consistent all through the models – the number however is disregarded.

To protect the installed fonts from accidental corruption, the Flash Font commands

described in Table 7.4 are required to be the rst commands received by the printer

when it is powered on.

Command MP200 and MP300

<ESC ><’D’><’X’> <n> Where n (0..7)

Select ash font Download mode

Upload an ASCII character.

n1: TABLE to save the character

in. This is still kept for compliance

with the old command but the

table number is disregarded by the

printer.

n2: Character code ( Shows the

beginning position to download in

the table)

{0x21 .. 0x7F} {CHR$(33) ..

CHR$(127)}

<ESC> <‘D’> <0xFF> Save the font uploaded and

terminate font upload process,

Table A.1 - Flash Font Upload commands

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 25 26

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