Qian DAYIN 80 Manual De Usuario página 44

9. The applicable version: can be compatible with IOS6.0
or above versions.
10.General Troubleshooting.
1: Why serial port printer printing messy code?
A: Ensure the baud rate setting in the PC is same as the
printer baud rate. ( we can see printer baud rate from
self test page).
2: Self test page is ok,but printer does not work after
driver installation.
A: Recheck the installation according to above installa-
tion wizard and see if we selected the right port or ask
service center for advice if needed.
3: Cash drawer does not open?
A: Please enable the cash drawer function from device
settings and check the cable connecting way or contact
service center for advice if needed.
4: Malfunction of paper feeding?
A: Use soft brush to clean the paper sensor and try
again or send it to the service center for repair.
5: Messy code printing after a period of time
A: Interface board damaged , please replace or repair it.
6: Malfunction of the indicator light
A: Check the cable connecting way / adapter / power
cord / switch on or off? Or contact the service center
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