ER-A410, ER-A420 SCANNING (serv.man3). ERA410 420 Dealer Manual for Scanning Roms - Sharp ECR Service Manual (repair manual). Page 9

                                                               

 

 

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] & [RECEIPT] feed keys  
4)  Replace the AC power cord into the wall outlet 
 
***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 

 
 

Note:  

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

 

 
 
2. 

Program Reset: 

 
The Program Reset (sometimes referred to as a “Service Reset”) may be achieved with or without 
a [SRV] key (part no. LKGiM7113RCZZ) based on the System Preset settings. 
 
1. General Rule: 
 
A Program Reset should be performed under the following general conditions: 
 

1)  After the memory allocation setting has been modified 
2)  When a device assignment has been modified in COM port assignment 

  
IMPORTANT NOTE: 
      During the Program Reset operation, PROGRAM RESET*** is printed on the journal tape 
 
 
Follow the below procedure when you wish to perform a program-reset (initialization) 
 
2. Procedures: 
 
Base on the SRV Job#928-B setting, there may be 3 possible procedures in performing a 
Program Reset. 
 
Procedure- A: 
1)  Place the mode switch to the SRV’ position   
2)  Place the AC power cord into the wall outlet 
3)  Turn the mode switch from SRV’ -- > SRV position