Sharp ER-A520 - Manual (Page 58)

56
Customer with previous or credit balance
To enter a charge to a customer with a previous or credit balance, use the following procedure:
* 1 Check digit: The number which is printed at the right of the word “SERVICE” on the receipt of the previous
entry. (See the previous page. Check with your authorized SHARP dealer for activation of the
check digit feature.)
* 2 Previous balance: In case of the balance is plus or zero
* 3 Charge balance: In case of the balance is negative
To make a service entry of 5 dept 7 items (unit price $25.00) for the customer account from
the previous example. (non add code number 13579), which has the previous balance
$150.00.
Settlement
Use the following procedure:
The customer (the non add code number 13579) whose previous balance is $275.00 is
$27500 pays $200.00 in check and $75.00 in cash.
3 27500
u
13579
5
20000 k
7500 a
Print Key operation
Example
Previous balance
u
Check digit
(Optional)
[Item entries ]
Charge balance
n
[Payment operation]
Procedure
3 15000
u
13579
5
5 @
2500 7
S
Print Key operation
Example
Previous balance *2
u
Check digit *1
(Optional)
[Item entries ] or
Charge balance *3
n
S f
Procedure
Check digit
Check digit
#/
TM
#/
TM