how to print from android phone to hp printer

The new HP DeskJet 2131 inkjet printer, according to the instructions installed after the installation of the computer, the discovery Scan, copy function is normal use, except printing function can not be used normally.The problem is as follows: Print the test page in the installed printer Assistant can output normall

Print word, the system prompts "This document failed to print local downlevel document", the printer is Hewlett-Packard, a day, drive and system have been reload several times, still useless Solutions There are several reasons why the document is not printed:1. The computer USB socket contact Bad rust or have oxide layer or loose! Clean or change other USB ja

Cannot print collate on duplex When you print multiple copies of a document on both sides, clearly has been selected to collate the print, but still a sheet out, such as printing 5 copies, the first out of 5, the second one out of 5, the third one out of 5 ..., after the play will be a new point, very troublesome. Don't know why, how to solve Cause analysis

1, in the driver icon on the right mouse click, select "Printer properties." See figure I 2, select "Device Settings". See figure II 3, in the installable options, find the duplexer (for duplex printing) modified to installed. See figure III 4, down to find "Allow manual double-sided printing", modified to "Disabled", click "OK". See Figure Four 5, open the Word document you need to

("Dfgdgs");/set QRCode content Esc.addprintqrcode ();//print QRCode esc.addprintandlinefeed (); /* Print text */esc.addselectjustification (EscCommand.JUSTIFICATION.CENTER);//set to print left-aligned esc.addtext ("completed!\r\n"); Print end//Open Cash Box Esc.addgenerateplus (LabelCommand.FOOT.F5, (byte) 255, (byte)