Printer printing garbled Solution

Friends who often use printers should know that the biggest headache is the garbled print. The reasons for this are complex. This article focuses on the hard and soft faults for printing Garbled text. The purpose is to improve the capability of printing Garbled text for maintenance, so that everyone can no longer be helpless in the face of printing Garbled text! The simple discriminant method can take your printer to another computer that can be printed normally and try to see if it is garbled. If the print is normal, it indicates that the fault is related to the host, or try to connect a normal printer on another computer to your computer. If it is normal, it indicates that the fault is related to your printer. However, there must be at least two computers or two printers, which is not common to family users. Of course, it doesn't matter if there are no of the above conditions. Next we will refer to the principle of "soft first" and "hard" to troubleshoot and print the garbled characters one by one. Software maintenance method 1. change the printer parallel port mode in the BIOS settings (if you use a traditional print line instead of a USB print line), go to the BIOS, "Integrated peripheral → parallel port mode ", there are four modes: SPP (standard parallel port), EPP (enhanced parallel port), ECP (Extended Parallel Port), and ECP + EPP ", if your printer model is older, it is recommended to set it to the SPP mode, while the current mainstream printer is recommended to set it to the ECP + EPP mode (of course you can also try it in several modes ). 2. the dot matrix printer, including the common dot matrix printer and the bill dot matrix printer, has two modes: SCSI simulation and self-printing. If the mode is incorrect, printing may also cause garbled characters (you can change the printing mode in the printer properties ). 3. incorrect Printer Driver Installation or damage may cause printing garbled characters. We recommend that you reinstall the latest Printer Driver (which can be obtained from the official site ), after the driver is installed, print the test page to test whether the printer is normal. 4. if the font used for printing is not installed or damaged, Garbled text will also be printed. If the font is not installed or damaged, open "Control Panel> font" and double-click the font icon, in the displayed window, click the "file" menu and select "install new font. 5. software conflicts, the use of pirated software, such as some decrypted financial statement systems, often cause the driver www.2cto.com to be abnormal, leading to printing garbled code, even some genuine software, the installation of dongle on the print port often causes print exceptions. 6. virus causes print exceptions, and sometimes printing garbled characters due to the existence of viruses. For example, a worm virus causes computers to print garbled characters for no reason. We recommend that you use the latest version of anti-virus software such as Norton to scan and kill viruses. 7. Printing exceptions or garbled characters are caused by damage or loss of system files. The first method is to extract from the operating system installation disk or restore the corresponding system files with the tools provided by the system, and the second is to reinstall the operating system. Hardware maintenance method 1. printer cable failure leads to printing garbled characters, sometimes printing cables and their interface parts generate open circuit or short circuit may cause printing garbled characters. You can run the command dir> prn in the MS-DOS to check whether the printer cable is faulty. 2. If the printer hardware is faulty, you can use the printer self-check (the self-check schemes for printers of different brands are different. Please refer to the printer manual) to determine whether there is a hardware fault in the printer. If it is a printer problem, you can only repair it. 3. printer memory is insufficient. When a Printing file is too large, printing garbled characters may also occur. The best way is to expand the printer memory, but this situation is rare, most occur on early printers with small memory. 4. The Board parallel port (print port) is damaged, leading to printing exceptions. This situation is rare. The best way is not to use parallel port printing, but to use a USB cable for printing. Of course, if there is no USB interface on the printer or host, you can only repair or replace the motherboard. 5. the I/O control chip on the motherboard is damaged. In fact, this situation is not difficult to tell. If the I/O control chip on the motherboard is damaged, it may lead to many complications, many input/output devices are affected. You can only repair the motherboard! 6. The resistance near the print port (which can be seen on almost all boards currently) is damaged. Sometimes the resistance value changes due to external factors, leading to printing garbled characters. You only need to replace the New Resistance to repair the fault. 7. Use the switch box printing may also cause printing garbled characters. Replace the switch box with high quality or do not use the switch box for printing.
This article is from the repair bar network.