
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.
1Power off the register.
2Insert the PGM key in the mode switch.
3Press down f, and turn the mode switch to PGM mode.
4The display shows ten Fs, then release f.
5Press s. The display shows ten Fs and issue a receipt.
Important!
• If the register does not show ten Fs, never press sand 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
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Is register plugged in? | Plug in the power cord. | |||
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| Yes |
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Is power on?
Yes
No
Set the mode switch to any position other than OFF.
Do figures appear on the display? | No | Is the electrical outlet active? | No | Use other outlet. | |
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Yes |
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| Yes |
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| Contact CASIO service |
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| representative. |
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| Is the mode switch position |
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Do keys function? | No |
| No |
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| correct? |
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| Yes |
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| Yes |
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| Contact CASIO service |
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| Is paper loaded correctly? | No |
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Does paper feed? | No |
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| Yes |
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| Yes |
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Set to correct position.
Load paper.
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| Contact CASIO service |
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| representative. |
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| No | Contact CASIO service |
Printing becomes light? |
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| representative. | ||
| Yes |
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Install new ink ribbon. |
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