I just bought the Officejet 7510 in order to print Super B (13"x19"). It seems to print fine for letter size, but on the larger format it prints 3/4 of the page, then stalls for a while, then spits out the page without finishing. It's connected over a cellular hotspot. internet for computer is working fine. I have also tried it with a USB connection. The same thing happens.
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I see from the post that you are having printing issues on your HP OfficeJet 7510 printer. Don't worry as I have a few steps to help you get through this concern,
Let's start off by performing a Hard reset on the printer and make sure that the printer is connected directly to the wall outlet and not to the surge protector.
Remove all the ink cartridges and then try to perform a hard reset on the printer.
With the printer turned on, disconnect the power cord from the rear of the printer and also unplug the power cord from the wall outlet.
Remove USB cable, if present.
Wait for 2-3 minutes, press and hold the power button on your printer for about 30 seconds to remove any additional charge.
Now plug back the power cable straight to a wall outlet without any surge protector or an extension cord and then plug back the power cord to the printer.
Turn on the printer and wait till warm-up period finishes and the printer is idle.
Now insert the ink cartridges and then try to print a test page and check if it works.