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General Troubleshooting for thermal printer

General Troubleshooting for thermal printer

  • August 8,2016.
General Troubleshooting for thermal printer
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 printing test is ok, but printer does not work after driver installation.
A: Recheck the installation according to above installation 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:Maybe the 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 for repair.
7: Ethernet printer does not print after linked with a router.
A:Make sure the network cable and router port works well, does the printer IP and router IP are on the same network segment? Is the printer IP occupied by other device ? We can modify the IP with our IP setter software attached in the CD driver. Test once modify the IP : Start - Run - input the 8printer IP - see if any response; or contact our service center for repair.
8: Messy code printing except Arabic numeral printing.
A: language switching incorrectly, please reset the code page with setting tool in the CD.
9: Fuzzy printing of Chinese character
A: For ITPP011 Please turn on the SW-3 switch ( DIP switches on the bottom of the printer )
10: Malfunction of the auto paper cutting
A: For ITPP011 see if the SW-1 is off and ensure the cutting function is Enabled or contact the service center for repair.
11: Red indicator keep flashing during the printing.
A: Usually it is due to the high temperature of the print head. If printing stopped, please contact the service center for repair.
12: How to install a network shared printer driver?
A: Find the driver file of the shared printer from network neighborhood and click it.
13: Communication interrupts and can not print if multiple Ethernet printers works simultaneously, How to solve this problem?  
A: First check if the network then get the printer Ethernet ID, to see if any conflicts of the Ethernet ID. Give a specified Ethernet ID to each printer to avoid this problem.
14: Printing speed is very slow for serial printer
A: For ITPP011/12/13/14/47
a. follow this path and change the set accordingly : Driver -- Properties -- Device Settings -- Print Mode -- Print as soft font
b. change the baud rate to 112500
c. serial printer prints very slow via driver, please connect with the POS software directly with printer driver(you must select the right port and baud rate in your software)
15:Water or other liquid spills into the printer
A: Cut off the power, we can dry the main board or printer head with a hair dryer, careful of the temperature ( average 50 degree is ok )
16: Print page without any content (White)
A:1.Connect printing is ok but self printing test is white
2.Without any contents for both printing method
Solution for 1. Font damaged & replace the font chips.
Solution for 2.Make sure you install the Thermal Paper correctly. If you install the paper right, Please replace the printer head and try again. Contact service center for repair if same problem after replace the printer head.
17: How can we reset to default setting?
A: Find the card slot on the bottom of the printer. Press the black key ( just press and release ---Reset the IP to default Only
18: How to reset the WIFI default setting of ITPP011?
A:Find the card slot on the bottom of the printer. Press the black key & Hold on ( about 10 seconds ---Reset the WIFI to default )

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