When an error occurs with data sent to a printer, the printer might print a document containing pages of strange symbols, random letters or scrambled text. If it happens repeatedly, you might have a problem with your printer cable, the printer software, the specific file you’re trying to print or a font file.Click to see full answer. In respect to this, why is my HP printer printing random symbols?If the data sent to the printer is corrupted or interrupted, you may notice the printer printing gibberish instead of the source document. This printing of random symbols is a common driver related issue and can happen with any printer as reported by several printer users in the Microsoft Community Answers.Furthermore, what are printers symbols called? The symbol ☞ is a punctuation mark, called an index, manicule (from the Latin root manicula, meaning “little hand”) or fist. Other names for the symbol include printer’s fist, bishop’s fist, digit, mutton-fist, hand, hand director, pointer, and pointing hand. Subsequently, question is, why is my printer printing gibberish? Causes for gibberish printing include: incorrect printer driver; corrupt printer driver; printer not receiving the start of the print job; loose or damaged cables; damaged printer port; incorrect page description language (PDL) setting; network errors. You may also try the following steps and check.How do you update printer drivers? How to update printer drivers Go to Control Panel. Click on ‘Hardware and Sound’ Click on ‘Device Manager’ to show all of the connected hardware on your machine – look for the ‘Printers’ drop-down which will contain any relevant printers. Right click the printer you want to update the drivers on and click ‘Update driver’