UP-5300 (serv.man2). UP5300 Internal Printer (UPT80BP) Service Manual - Sharp EPOS Service Manual (repair manual). Page 9

No.

Command

Function

Remarks

47

[GS] H [n]

Select printing position of HRI character

48

[GS] I

Transmits printer ID.

ROM version etc. are transmitted.

49

[GS] P [n1] [n2]

Sets basic line feed pitch.

50

1

 [GS] V [m] 

2

 [GS] V [m] [n]

Cuts paper.

Valid only at the beginning of a line.

51

[GS] a [n]

Enables/disables automatic status transmission.

52

[GS] f [n]

Selects font for HRI character.

Font A and Font B can be set.

53

[GS] h [n]

Selects height of bar code.

Number of dots.

54

1

 [GS] k [m] [data] k [00]

2

 [GS] k [m] [n] [data] k

Selects bar code system and prints bar code.

55

[GS] r [n]

Transmit status.

Status: Same as [ESC] v and [ESC] u.

56

[GS] w [n]

Selects horizontal size of bar code.

No.

COMMAND

FUNCTION

CODE

1

LF

Print and line feed

<0Ah>

Standard mode) 

Prints data in the print buffer and advances the paper by the
previously set amount.
Moves the print position to the beginning of the next line. 

Page mode) 

Does not print data in the print buffer.
Advances the paper by the previously set amount.
Moves the print position to the beginning of the next line. 

[ESC] 2: Sets the line feed amount to 30/203 inch (30 dots). 

[ESC] 3: Sets the line feed amount. 

No.

COMMAND

FUNCTION

CODE

2

FF

Page mode print and return

<0Ch>

Standard mode) 

No function

Page mode) 

Prints all the print data in one page.
Then returns to the standard mode.
The print data is all erased after printing. 

This command is valid for the page mode only.
The print position is moved to the beginning of the next line.
Paper cutting is not performed.
To perform paper cutting, it is necessary to send the paper cut com-
mand before sending this command.
Print data put in line feed codes is printed. 

[ESC] FF: Remains in the page mode.

No.

COMMAND

FUNCTION

CODE

3

CAN

Cancel print data

<18h>

Standard mode) 

Erases one line of print data not put in line feed codes in the
receive buffer.

Page mode) 

Erases one page of print data not put in FF codes in the receive
buffer. 
Moves the print position to the beginning of journal paper. 

When print data may be missed due to power failure, etc. during
printing, it is necessary to resend print data after recovery for correct
printing. This command is provided mainly for such cases. 

In the standard mode, it is possible to cancel a line for which power
failure is caused during receiving. 

In the page mode, it is possible to cancel a page for which power
failure is caused during receiving. 

No.

COMMAND

FUNCTION

CODE

4

SI

Selects character height reduction

<0Fh>

Starts character height reduction. 

Reduces the character height to 1/2 by removing bits one by one.

This command is valid only when set at the beginning of a line.

[DC2]: Cancel character height reduction 

No.

COMMAND

FUNCTION

CODE

5

DC2

Cancel character height reduction

<12h>

Cancels character height reduction.

This command is valid only when set at the beginning of a line. 

[SI]: Select character height reduction 

No.

COMMAND

FUNCTION

CODE

6

DLE EOT n

Transmit status in real time

<10h><04h>n 

1 

à

 n 

à

 4

Transmits the status in real time by setting “n”. 

n

Function

1

Transmits the printer status. 

2

Transmits the offline factor status.

3

Transmits the error factor status.

4

Transmits the paper detector status.

4 – 2