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 Testing the printer

The test prints a complete list of printer settings (Diagnostic form) 
and partially cuts the paper. The test items listed depend on the 
printer model. 
Instructions at the bottom of the printout describe how to enter  the 

configuration menu and change the current settings of the printer. 

Test Procedure

1

  To run the test:

a

  Open the receipt cover (1), then 

b

  while holding down the paper feed button (2) close the 

receipt cover .

2

  Release paper feed button when the printer begins printing  the 

diagnostic printout.

3

  Review the printout for printer settings. 

To change any of these settings go to the configuration menu as 

directed at the bottom of the printout. 

2

1

Open
receipt 
cover

Push and hold
paper feed button
while closing
receipt cover

A776 Test Printer.eps

|

 Configuring the printer

   

   

 

 

 

 

The configuration menu allows you to select functions or change 

various settings for the printer. Instructions printed on the receipt, 
guide you through the processes.

Configuration Procedure

1

  Open the receipt cover be sure there is paper in the printer. 

2

  Turn Printer off and close the receipt cover.

4

  Turn the power on, then press and hold  the paper feed button.  

The printer  prints the diagnostic form and the configuration 

main  menu.

5

  Follow the printed instructions on the scrolling menu by 

pressing the paper feed button to make 

Yes

/

 No 

selections. 

•  Indicate 

Yes

 with a  long click. (Press and hold paper feed 

button for at least one second.)

•  Indicate 

No

 with a short click. (Press paper feed  

button quickly) 

6

 

Continue through your menu selections until you are asked, 
“Save New Parameters?” Select “Yes” or “No”.

a

  To save, select “Yes”, then return DIP switch 1 to the Off 

position (up).

b

  Press the reset button. The printer resets with the new 

selections. You can verify the setting by printing a 
diagnostics form.

If you want to continue configuring the printer, select “No”. The 
printer returns to the configuration menu.

Caution:

 Be extremely careful changing any of the 

 printer settings to avoid inadvertently changing other 

settings that might affect the performance of the printer.

3

  Set DIP switch 1 (below)  to the On position (down).

1

CognitiveTPG, 950 Danby Road, Ithaca, NY 14850   --   http://www.CognitiveTPG.com 

Customer Support: 1-800-732-8950, ext 4 - Sales Order Desk: 1-800-732-8950, ext 1 

  Setup Guide

 

B780

 

Two-Color

 

Hybrid Thermal/Impact Printer

Communication interface

Change the communication interface settings (except Ethernet) by 
selecting “Set Communication Interface” from the main menu and 

answer “Yes” to “SET INTERFACE TYPE?” 

Press the paper feed button as instructed to select the 
communication interface you want.

To change RS-232C serial interface settings

Select “Set Communication Interface” from the main menu 

and answer “No” to “SET INTERFACE TYPE?” to go to the 

instructions for selecting the RS-232C settings.

1

  Press the paper feed button to select the RS-232C  

setting you want to change:

•  Baud rate - (1200 to 115200 baud)
•  Hardware flow control: 

 

 

           Software  - (XON/XOFF) 

 

           Hardware - (DTR/DSR)

•  Data reception errors: Ignore errors, Print “?”
•   Alternate DTR/DSR - Enabled Disabled

Note: Number of data bits, Stop bits, and Parity  parameters can 

not be changed and are not shown.  

 

 

2

  Press the paper feed button for at least one second to validate 

the selection.

 

 

 

 

 

        

 

DECLARATION OF CONFORMITY 

 

Type of Equipment: Information Technology Equipment – Printer 

 

 

         

Model:  A776-XXXX-XXXX 

 

 

 

Model:  B780-XXXX-XXXX 

                                                        (X = any alphanumeric character)

 

Applicable EU 

 

Directives:    2004/108/EC 

(electromagnetic compatibility directive)

    2006/95/EC 

(low voltage, product safety directive)

Harmonized Standards:

 

EN 55024 (1998/A1:2001/A2:2003) 

Information Technology Equipment – 

Immunity Characteristics 

 

EN 55022 (2006/A1:2007) 

EMC, Class B, Limits and methods of

measurement of interference characteristics of IT equipment. 

IEC 60950-1 (ed. 2); am 1. 

Product Safety standard

       “CognitiveTPG, LLC, 950 Danby Road, Ithaca, New York, 14850,           

        declares that the equipment specified above conforms to the referenced EU  

        Directives and Harmonized Standards.” 

 

                                Date: November 28, 2012

    Jeffrey C Phoenix, Regulatory Compliance Engineer 

    CognitiveTPG, LLC 

    950 Danby Road 

    Ithaca, New York 14850 

   

 

 

 

 

189-1300034 Rev C 

Select Paper Type

To change the paper  type, enter the section through the  

configuration menu.

Press the paper feed button to select the setting you want to change: 
 

Type 0 (monochrome) 

 

 

Type 4 (blue/black) 

 

 

Type 5 (red/black; green/black)

Cable routing

Prevent the printer from being accidentally unplugged by making 
sure the cables are routed as shown below.

Connector

Cover

(Closed)

Communication

Connector

(RS-232C 9-pin)

(Route straight

out back of
printer and

tighten screws)

Power

Supply

Cable

(Straight

back)

USB Cable

Strain Relief

USB

Cable

Cash Drawer
Cable

Back of Printer

USB Cable

Strain Relief

Power Supply

Strain Relief

USB

Cable

Power Supply

Strain Relief

A776 Strain Releif.eps

Power supply cable 

Caution:

 To avoid damage to the printer, connect the power supply 

cable last. 

 

 

 

1

  Plug the power cord into the power supply.

2

  Route the cash drawer and power supply cables through the 

strain relief as shown below.

3

  Plug the power cord into the power supply, then plug the power 

supply into an outlet. The green light on the top cover will  
light up.

WARNING!

 Using this device without a grounded outlet is a safety 

hazard and voids the printer’s Warranty, Safety, FCC and CE Mark 

designation.

Ethernet communication connector panel

Ethernet

connector

Power

supply

connector

If installing the Ethernet communication cable:

1

  Host computer can remain on.

2

  Plug the printer end of the Ethernet cable into the Ethernet 

connector port on the printer (A). Make sure the connector 
snaps firmly in place.

3

  Plug the computer end of the Ethernet cable into the Ethernet 

port of the computer. Make sure the connector snaps firmly 

 

in place. 

After you have connected the printer, you must set the printer 

internal parameters for Ethernet operation. See “Ethernet 

terminology and setup” in the A776 Programming Guide.

9

B780 - S U G 0 0 0 1   R e v  C 11/12 

Printed in USA

Emulation/Software options

To change the printer emulation, printer ID, receipt default lines per 

inch (LPI), or font size, enter this section through the configuration 

menu.
Press the paper feed button to select the setting you want to change: 
 

Printer emulations: Native or  DH 

 

Printer ID: B780 or A721

 

 

Default line space: 8.13, 7.52, 6.77, or 6 lines per inch

 

 

Font size: standard, tall, or ColorPOS  

Slip Setting options

To change the B780 slip setting options, enter this section through the 

emulation software options section of the configuration menu.

Press the paper feed button to select the setting you want to change: 
 

Set text columns. 

 

Set Margin 

 

Set lines per inch (LPI) 

 

Set Validation Lines

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