Clearing A Machine Lock Up; When The Register Does Not Operate At All - Casio TK-6000 Series User Manual

Troubleshooting

Clearing a machine lock up

If you make a mistake in operation, the cash register may lock up to avoid damage to programs and preset data.
Should it happens, you can use the following procedure to clear the lock up without losing any data.
1 Power off the register.
2 Insert the PGM key in the mode switch.
3 Press down f, and turn the mode switch to PGM mode.
4 The display shows ten Fs, then release f.
5 Press s. The display shows ten Fs and issue a receipt.
Important!
• If the register does not show ten Fs, never press s and call service representative.

When the register does not operate at all

Perform the following check whenever the cash register enter an error condition as soon as you switch it on. The
results of this check are required by service personnel, so be sure to perform this check before you contact a
CASIO representative for servicing.
Start
Is register plugged in?
Yes
Is power on?
Yes
Do figures appear on the display?
Yes
Do keys function?
Yes
Does paper feed?
Yes
Printing becomes light?
Yes
Install new ink ribbon.
106
No
Plug in the power cord.
No
Set the mode switch to any position other than OFF.
No
Is the electrical outlet active?
Contact CASIO service
representative.
No Is the mode switch position
correct?
Contact CASIO service
representative.
No
Is paper loaded correctly?
Contact CASIO service
representative.
No
Contact CASIO service
representative.
No
Use other outlet.
Yes
No
Set to correct position.
Yes
No
Load paper.
Yes
www.cashregisters.net