what is the heaviest paper i can print on

[hellis500]

Trying to print 120 lb card stock on my hp 7855 and the error message was to load more paper.

[Dragon-Fur]

@hellis500 

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Based on the documentation,  the paper, within the paper type, is too heavy.

Assuming you could find / select "Card", 120 lb paper exceeds the limitations for what most (all?) inkjet printers will support.

You cannot select "Photo Paper" and then load and try to use Card paper - most printers can sense the difference and will result in a paper mis-match or equally frustrating error.

Want to Try again in spite of what the documentation says?

HP Brochure paper is 180 gsm -

If you can find / select the type in your Media list,

the paper type might work, might fail, might result in a paper jam.

What the printer can do...

Product Specifications for the HP ENVY Photo 7855 All-in-One Printer (K7R96A)

The printer handles the paper types / weights listed in the Specs.

and

Media Types	Plain Paper; HP Photo Papers; HP Matte Brochure or Professional Paper; HP Matte Presentation Paper; HP Glossy Brochure or Professional Paper; Other Photo Inkjet Papers; Other Matte Inkjet Papers; Other Glossy Inkjet Papers, Plain Paper, Light/Recycled
Media Weight Recommended (imperial)	18 to 22 lb
Media Weight Recommended (metric)	70 to 90 g/m²
Media Weights Supported, By Paper Path (Imperial)	16 to 80 lb
Media Weights Supported, By Paper Path (metric)	Tray 1: A4: 75 to 90 g/m²; HP envelopes: 75 to 90 g/m²; HP Photo Paper: up to 300 g/m²; HP 10 x 15 cm photo paper: up to 300 g/m²

and

Datasheet - HP ENVY Photo 7855 All-in-One Printer 

Typically, for those printers that state they support "Card Paper", the weight limitations are:

163 to 200 g/m² (card)

90 to 110 lb (card)

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HP ENVY Photo 7855 All-in-One Printer 

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