Print­ing in the Air

Mac Format - - APPLE TALK -

Paul Blach­ford says: Ap­ple has pub­lished guid­ance on us­ing the Mac Pro in ei­ther ori­en­ta­tion at support.ap­ In essence, en­sure the Mac won’t roll, and leave its ports ac­ces­si­ble – care­ful use of BookArc has th­ese cov­ered. Also con­sider the space around the Mac, and where emit­ted heat is di­rected. Can you cast light on why AirPrint sud­denly stopped work­ing? It worked fault­lessly be­tween my iMac (2013), Mac­Book Pro (2010) and iPad Air (2014) and my Canon MG4150 printer for a year or more. Sud­denly on 23 Novem­ber, all the de­vices re­ported that they could not con­nect to the printer via AirPrint.

A USB cable con­nec­tion from the iMac still worked OK. And the Mac­Book Pro could ac­cess the printer via Bon­jour wire­lessly through the iMac, and thence via the USB cable. But the iPad has no print ca­pa­bil­ity.

My wire­less router (an HG635 su­per router sup­plied by Talk­Talk for use with a part-fi­bre con­nec­tion to the ex­change) shows the printer as con­nected, although some­times with only its MAC num­ber and no IP num­ber. Re­con­nect­ing the printer to the wire­less net­work made no dif­fer­ence. Then, fol­low­ing a dis­cus­sion fo­rum lead that it is a good idea to delete and re-add prin­ters after a ma­jor op­er­at­ing sys­tem change such as Yosemite, I did so in Sys­tem Pref­er­ences > Prin­ters and Scan­ners. In the “Add” win­dow there was no AirPrint op­tion but there was a “Canon IJ Net­work” op­tion show­ing the printer’s MAC ad­dress.

Once added, this works fine, en­abling wire­less print­ing from both the iMac and Mac­Book Pro. But the iPad sim­ply re­ports “no AirPrint prin­ters” although the Ap­ple web­site still shows the MG4150 as an AirPrint-com­pat­i­ble printer.

Then I re­mem­bered that a re­cent soft­ware up­date had in­stalled a new soft­ware up­date (ver­sion 3.1) to Canon Inkjet Printer Soft­ware. Has this some­how dis­abled AirPrint? Or could it be some change that I’m un­aware of have been made re­motely by Talk­Talk in my router’s set­tings? Ian Winkworth Matt Bolton says: We think the so­lu­tion to your AirPrint woes may be sim­ple enough that you don’t need to tin­ker with any net­work set­tings. As well as the re­cent up­date to your printer driv­ers, which you al­ready have, Canon is­sued an AirPrint firmware up­date for your model on 30 Septem­ber, days after the in­tro­duc­tion of iOS 8. You only need this up­date if your printer’s firmware is not al­ready at ver­sion 2.010 – you can check your ex­ist­ing ver­sion by down­load­ing the up­date from and fol­low­ing the in­struc­tions pro­vided with the soft­ware. Canon’s re­lease notes for this up­date do a poor job of ex­plain­ing ex­actly what the up­date ad­dresses, but this is the next thing you should try. Let us know how it works out.

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