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255-299   9/09

firstdata.com

© 2009 First Data Corporation. All rights reserved. All trademarks, service 
marks and trade names referenced in this material are the property of their 
respective owners.

If you require assistance with your point-of-sale 

terminal, please refer to your Merchant Services 

Operating Guidelines for your appropriate POS 

Technical Help Desk contact information.

MY MID:
MY TID: 
MY Helpdesk PH#

3

5

4

2

1  - Function Keys
2  -  Arrow, Pre-Auth, Reprint,  

&  Reports keys

3  - Magnetic Card reader 
4  - Chip Card Reader
5  - KeyPad for Data and PIN Entry

1

Thermal Printer

Paper Roll Cover

NoTE:

 To Change Paper, Lift paper Cover shown above, insert new 

paper roll (paper coming from under the roll) and close cover.  

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VeriFone 

VX810 Duet 

Quick Reference Guide 

Use this process to produce a refund to the customer. Use the 
refund process when:

 The customer returns purchased goods.

  You want to reverse an incorrect sale, but the terminal has  

been balanced since the incorrect sale.

Use this process to re-print transactions made since the last 
balance.

This will process all sales and credits that have been entered 
since the last time the terminal was balanced. It will ensure that 
any charges/credits are applied to the customer’s card and that 
any funds due to you are sent to your account. As part of the 
balance process, you should print a Totals or Detail report to 
confirm your batch totals. You must ensure that you balance daily 
in order to receive timely deposit of your funds.

4) Refunds (Credit)

5) Re-Printing

6) Reports and Balancing

Press the F3 Key 
for Refund. 

Swipe Magnetic 
Stripe or Key Enter 
the Card number 
now. If manually 
entered, you will 
be prompted to 
enter the expiry 
date of the card 
as well.

Press the 4th 
purple key from 
the left to open 
the Reports Menu.

Press the 3rd  
purple key from 
the left to  
access the  
Reprint Feature. 

Date

refunD

total: 

$0.00

swipe or 
enter acct#

Date

Date

time

purchase

refunD

settlement

time

purchase

refunD

settlement

time

purchase

refunD

settlement

Tear the Merchant 
copy receipt off 
and then press 
the Green Enter 
Button to print the 
customer copy.

Press F4 for 
Settlement -  
A Totals report  
will print.  

refunD 

tear receipt
press enter

Date

Enter the amount 
using the keypad. 
Press the Green 
Enter Button. 

Confirm the 
amount by 
pressing Yes (F1). 
If the amount is 
incorrect, press F2 
for No to Decline
the amount
and stop the
transaction.

Select the report 
you wish to run 
by selecting F2, 
F3 or F4, or press 
the first purple 
key (Arrow Key) 
to move through 
additional reports.

Press F2 to print 
the last receipt 
or Press F3 to 
print any other 
transaction in the 
open batch. 

Enter the Total of 
the batch from 
your Totals or 
Detail reporting 
and press Enter.

refunD

amount: $0.00

refunD 

   yes

total: $0.01  no

total: $0.01  

reports

total reports
Detail reports
server reports

reprint

last receipt

any receipt

settlement

total: $0.00  

1

4

1

1

7

4

2

3

5

2

2

5

6

3

3

6

Enter the Clerk/
Server ID number 
and press the 
Green Enter 
Button.

The screen will
display status
and a merchant
receipt will print.

The selected 
report will print. 
Additional prompts 
may appear 
for options, 
depending on 
the report that is 
selected. 

Enter the Invoice 
number for the 
transaction you 
would like to 
reprint and hit 
Enter. 

The batch will 
settle and the 
current batch is 
then deleted from 
the terminal. 

refunD 

enter clerk iD/
server iD:

(optional)

refunD

approveD 

total reports

calculating...

reprint any 

receipt

invoice number:

settlement

total: $0.00  

time

purchase

refunD

settlement

255-299_vx810 POSNET Product Guide quad.indd   1

10/16/09   9:56:46 AM

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