ER-A220 (serv.man2) - Sharp ECR Service Manual (repair manual). Page 6

CAUTION

Before turning the mode switch from the (SRV’) to (SRV), make
sure the AC power cord is connected to the wall outlet;
otherwise, the data on memory might be destroyed.

The SRV key is used for operating in the SRV mode.

Used to return the machine back to its operational state after a

lock-up has occurred.

1) Unplug the AC cord from the wall outlet.

2) Set the mode switch to (SRV’) position.

3) Plugin the AC cord to the wall outlet.

4) Turn to (SRV) position from (SRV’) position.

PROGRAM RESET 

Used to clear all memory contents and return machine back to its 
initial settings. return keyboard back to default. for default keyboard

layout.

1) Unplug the AC cord from the wall outlet.

2) Set the MODE switch to the (SRV’) position.

3) Plugin the AC cord to the wall outlet.

4) While holding down JOURNAL FEED key, turn to (SRV) posi-

tion from (SRV’) position.

MASTER RESET