ER-A410, ER-A420 SCANNING (serv.man3). ERA410 420 Dealer Manual for Scanning Roms - Sharp ECR Service Manual (repair manual). Page 8

                                                               

 

 

2. Master Reset-1 Operations: 
 
There are 2 possible procedures to use in performing a Master Reset-1 operation. 
 
Follow the below procedure when you wish to perform a program-reset (initialization) 
 
Procedure A: 
1)  Place the mode switch to the SRV’ position   
2)  Place the AC power cord into the wall outlet 
3)  Depress and hold the [JOURNAL] feed key  
4)  Turn the mode switch from SRV’ -- > SRV position 
 
 
 
Procedure B: 
1)  Remove the AC power cord from the outlet 
2)  Place the mode switch to the SRV position   
3)  Depress and hold the [JOURNAL] feed key  
4)  Replace the AC power cord into the wall outlet 
 

Note:  

***Procedure A must be used to reset the hardware. Procedure B cannot reset the hardware.

 

 
 
Master Reset-2 Operations: 
 
There are 2 possible procedures to use in performing a Master Reset-2 operation. 
 
Procedure A: 
1)  Place the mode switch to the SRV’ position   
2)  Place the AC power cord into the wall outlet  

 

 

 

3)  Depress and hold the [JOURNAL] & [RECEIPT] feed keys  
4)  Turn the mode switch from SRV’ -- > SRV position 
 
 
***The operator display will show the fixed function keys (starting with the [0] key) 
 
5)  Program the Function Keys by depressing the desired location(s). 
6)  Once the [CA/AT] key is placed on the keyboard, ***MRS*** will be displayed and the reset 

process will continued as outlined in Master Reset-1