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INSTALLATION 

3-4 

 

4. INSTALLING PAPERS 

The register can print receipts and journals. For the printer, must install the paper rolls (receipt and journal paper rolls) provided with the 

register. 

⚠ 

 

 

 

 

 

 

 

 

  Receipt paper 

1)  Remove the printer cover. 

2)  Lift up the print roller arm of the receipt side. 

 

3)  Set a paper roll in the paper roll cradle of the receipt side as 

per the diagram. 

 

4)  Feed the end of the paper along with the paper positioning 

guides as per the diagram. 

5)  While holding down the paper, slowly close the print roller 

arm of the receipt side, and push down the arm until you 

hear a click locking the arm. 

 

6)  Cut off the excess paper. 

 

  Journal Paper 

1) 

Lift up the print roller arm of the journal side. 

2) 

Set a paper roll in the paper roll cradle of the journal side. 

3) 

While holding down the paper, slowly close the print roller 

arm of the journal side, and push down the arm until hear a 

click locking the arm. 

4) 

① Remove the paper holding plate from the spool. 
②  Insert the end of the paper into the slit in the spool. 

(Press the journal paper feed key to feed more paper if 

required.) 
③  Wind the paper two or three turns around the spool 

shaft. 

 

5) 

① Mount the paper holding plate onto the take-up spool. 
②  Set the spool on the bearing, and press the journal 

paper feed key to take up excess slack in the paper. 

 

6) 

Set the printer cover. 

7) 

Press the [RCPT FEED] key to make sure the paper end 

comes out of the printer cover and clean paper appears. 

 

 

 

How to set the paper roll

How to cut the paper end 

Incorrect 

Correct 

Correct 

Incorrect 

Paper positioning guides 

Paper holding plate

INSTALLATION 

3-5 

 

5. INITIALIZING THE CASH REGISTER AND BASIC PROGRAMMING 

For the cash register to operate properly, the register must be 

initialized it before programming for the first time. 

Follow this procedure. 

1)  Remove the register from its packing carton. 

2)  Push the [Journal feed] key and [↑] key simultaneously. 

And, insert the plug into the AC outlet at same time. 

1)  Display the “Language Selection” after turning on the 

power. 

2)  Press the numeric key for the number of language. 

After selecting the language, the register is initialized. 

According to the displayed instruction, perform the setting. 

1)  Display the “DATE/TIME setting”. 

2)  Enter the date in 6 digits. For example, enter “060514” for 

May 6, 2014. 

3)  Press the [

↓] key to select the time setting. 

4)  Enter the time in 4 digits. For example, enter “1430” for 

2:30pm. 

5)  Press the [TL/NS] key to set the date and time. 

1)  Select the tax number (1 to 6) to set the tax rate. 

2)  Enter the tax rate in 6 digits (leading zeros may be omitted). 

For example, press the [7] key to set 7%. 

3)  To set the second and later tax rates, press the [↓] key. 

4)  Press the [TL/NS] key to set the tax rate. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   

 

6. KEYBOARD SHEET  (ER-A421) 

 

  Inserting the keyboard sheet 

Insert the keyboard sheet between the keyboard cover and the 

cabinet as illustrated below. 

1)  Lift up the keyboard cover. 

2)  Insert the keyboard sheet into the slit. 

3)  Close the keyboard cover. 

 

 

 

 

NOTE: 
 

Do not spread the keyboard cover too far as it might tear. 

 

Replace the keyboard sheet with a new one if by case it 

gets wet. Use of a wet keyboard sheet may cause 

problems. 

 

Be sure to use only SHARP-supplied keyboard sheets. 

Thick or hard sheets make key operations difficult. 

 

Smooth the keyboard sheet evenly under the keyboard 

cover, without any folds or wrinkles, to ensure easier 

operation. 

 

The keyboard cover will eventually wear out. If keyboard 

cover is dirty or broken, replace the cover with a new one.   

 

 

 

 

 

 

 

 

MASTER RESET 

4-1 

CHAPTER 4. MASTER RESET 

 
 

1．MASTER RESET 

 

Master resetting clears the entire memory and resumes initial values. 

Initial values of language can be selected one from following 5 kinds. 

1. English 

2. Deutsch 

 

3. Francias 

4. Espanonl 

5. Svenska 

Master resetting can be accomplished by using the following “Master reset 1” or “Master reset 2”. 

■  Master reset 1 

1) 

Unplug the AC cord from the wall outlet. 

2) 

Push the [↑  JOUNAL] key and [1] key simultaneously and 

plug the AC cord to wall outlet. 

3) 

Input the Master Reset Password. 

Push the key on right upper corner  →  the key on left lower 

corner  →  The key on left upper corner  →  the key on right 

lower corner  （except feed key） 

4) 

Language selection menu is displayed. Push the 

corresponding number key. 

 

 

 

 

 

5) 

Set current date/time and push [TL/NS] key. 

 

 

 

 

 

6) 

Set tax rate and push [TL/NS] key. 

 

 

 

7) 

REG mode screen is displayed. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-DATE/TIME---------------------------------------------- 

DATE 

   

 

01/01/2014

TIME                                0000 

 
 
 
 
PGM2                                                                               

-TAX RATE------------------------------------------------ 
  TAX1                                                         

0.0000%

 TAX2                             0.0000%
 TAX3                             0.0000%
 TAX4                             0.0000%
 TAX5                             0.0000%
 TAX6                             0.0000%

PGM2                                                             

                                             
 
 
 
 

＊＊＊TOTAL                0.00

                                                0:00 
REG           LPT1                                   

Push the number key. 
[1] English 
[2] Deutsch   
[3] Francais 
[4] Espanol 
[5] Svenska 
 
ER-A411/A421V                       V1.01

MASTER RESET 

4-2 

  Master reset 2 

1) 

Unplug the AC cord from the wall outlet. 

2) 

Push [JOURNAL paper feed] key and [2] key. 

3) 

Plug in the AC cord to the wall outlet during the depression 

of above 2 keys. 

Enter the secret key operation. 

  (--> Language selection menu is displayed.) 

4) 

Push the corresponding number key. 

(--> [ENTER 0 KEY] is displayed.) 

5) 

Program following keys in this sequence. 

  (This means that the key first pressed is programmed as 

the [0] key, the key pressed second as [1] key ---- and the 

last key pressed as the [TL] key.)   

To inhibit a particular key, press the [0] key at the point 

when that key should be programmed. 

 

 

 

 

 

 

 

(--> MASTER RESET progress bar is displayed.) 

(--> DATE/TIME setting screen is displayed.) 

 

6) 

Push the corresponding number key. 

(--> MASTER RESET progress bar is displayed.) 

(--> DATE/TIME setting screen is displayed.) 

7) 

Set current date/time and push [TL] key. 

(--> TAX RATE setting screen is displayed.) 

 

 

Below text is stored in EJ. (Printing for journal printer) 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2．PROGRAM RESET 

Program resetting resumes the initial program without clearing 

memory. 

This operation must be performed with batteries loaded. 

1)  Unplug the AC cord from the wall outlet. 

2)  Push [JOURNAL FEED] key and [CL] key. 

3)  Plug in the AC cord to the wall outlet during the depression 

of above 2 keys. 

4)  MODE menu screen is displayed. 

 

Key 

0 to 9 

00 

"." (decimal point) 

(X) 

SBTL 

MODE 

Cursor keys 

CANCEL 

CL 

ENTER 

TL 

SELECT MODE                                                   
▼

 

1 OPXZ MODE                                                       

.

 

2 OFF MODE 

 

3 VOID MODE 

 

4 X1/Z1 MODE   

 

5 X2/Z2 MODE   

 

 

 

PGM

MASTER RESET ***