UP-5300 (serv.man2). UP5300 Internal Printer (UPT80BP) Service Manual - Sharp EPOS Service Manual (repair manual). Page 10

This command is executed regardless of the state of the host com-
puter. (The DSR signal is not checked.) 

This command is executed even if offline, receive buffer full or error
states are provided. 

Status transmission is made immediately when this command is
received. 

n=1; Printer status

bit

Function

Value 0/1

0

Not used

Fixed to 0

1

Not used

Fixed to 1

2

Not defined

3

Online/Offline state

Online/Offline

4

Not used

Fixed to 1

5

Not defined

6

Not defined

7

Not used

Fixed to 0

n=2; Offline factor status

bit

Function

Value 0/1

0

Not used

Fixed to 0

1

Not used

Fixed to 1

2

HEAD UP LEVER

Close/Open

3

Paper feed SW

Paper not being fed/Paper

being fed

4

Not used

Fixed to 1

5

Print stop due to no paper

Not stopping/Stopping

6

Error state

No error caused/Error

caused

7

Not used

Fixed to 0

bit 5; Becomes 1 in case of print stop set by [ESC]c4.

n=3; Error factor status

bit

Function

Value 0/1

0

Not used

Fixed to 0

1

Not used

Fixed to 1

2

Not defined

3

Auto cutter error

No error caused/Error caused

4

Not used

Fixed to 1

5

Unrecoverable printer
error

No error caused/Error caused

6

Head temperature rise

No error caused/Error caused

7

Not used

Fixed to 0

n=4; Paper detector status

bit

Function

Value 0/1

0

Not used

Fixed to 0

1

Not used

Fixed to 1

2

Near end detector

Paper is present/Paper is out

3

Not defined

4

Not used

Fixed to 1

5

Not defined

6

Paper end detector

Paper is present/Paper is out

7

Not used

Fixed to 0

Status transmission is also made when data of 10h, 04h and n (1 

à

 n

à

 4) is received. 

In case of D1=10h, D2=04h and D3=01h with ESC * n1 n2 [DATA] k. 

No.

COMMAND

FUNCTION

CODE

7

DLE ENQ n

Request status in real time

<10h><05h>n 

1 

à

 n 

à

 2

Responds to requests from the host computer by setting “n”.

n

Function

1

Recovers from the error and restarts printing at the
beginning of the line where the error is caused.

2

Restarts printing after clearing the receive buffer and print
buffer.

This command is executed regardless of the state of the host com-
puter. (The DSR signal is not checked.)
This command is executed even if offline, receive buffer full or error
states are provided.
This command is executed immediately when it is received (without
being entered in the receive buffer). 

No.

COMMAND

FUNCTION

CODE

8

ESC FF

Page mode print

<1Bh><0Ch>

(Standard mode) 

No function

(Page mode) 

Prints all the print data in one page. 
Then remains in the page 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. 

FF: Return to the standard mode after printing. 

No.

COMMAND

FUNCTION

CODE

9

ESC SP n

Set character right side
spacing

<1Bh><20h> n

0 

à

 n 

à

 255 

Sets the space on the right side of each character in basic calculation
pitches.
The space on the right side of each character is [n 

×

 (basic calcula-

tion pitch)] inches. 

If double-width and quadruple-width are selected, the amount of
space on the right side of each character is doubled and quadrupled. 

Space is provided on the right side of each character even in case of
lateral turning.
[n 

×

 (basic calculation pitch)] is calculated when this command is

received.
Therefore, this setting is not changed only by changing the basic
calculation pitch through GS P. 

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