
Canon
SELPHY CP1500
Simple, archival dye-sub prints; portability and costs divide users.

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I have the HP Sprocket and can pack that very easily. Canon Ivy would be similar. They’re both Zink printers and the quality is perfectly fine for me. I’m printing them for my journal, I’m not upset if the image isn’t exactly the same as my iphone screen. You can see a lot of photos and reviews on their Amazon listings. They are *extremely* portable and I’ve found the Zink refill packs to be pretty affordable.
Polaroid zip, I’ve had mine for going on a decade. Do not get the HP Sprocket!!!!!
My sprocket didn’t work out of the box so I exchanged it, and it still didn’t work, that’s when I got the zip instead!
This was like 10 years ago but I also tried buying the sprocket and returned it twice because it wouldn’t work. It was so frustrating. I don’t remember exactly what the issue was but after exchanging it and it still not working I ended up getting a Polaroid zip instead. It’s still going strong today!
I have an HP sprocket and I really love it. It prints 2x3 sticky back photos that I use for my journals. I looked back and my photos from the journals in 2020 aren’t faded. I will say the colors can be a little off and not as bright/saturated, but for my purposes they work well!
It definitely depends what's more important to you, portability/convenience or photo quality. The really small printers use zink and the photos are not that high quality and the colors are slightly off. I use the HP Sprocket for my reading journal to print book covers and it works great for that. But if you want better photo/color quality, the 4x6 photo printers will always be better.
I have the HP Sprocket for its portability but I also use my regular printer. I just buy the sticker paper and you can resize images to fit which saves you a lot more money.
I have a Sprocket & I do really like it

Canon
SELPHY CP1500
Simple, archival dye-sub prints; portability and costs divide users.

Epson
EcoTank Photo ET-8550 All-in-One Wide-format Supertank Printer
Low-cost tank prints large, but suffers paper jams, color issues.
Canon
PIXMA G660 MegaTank
6-color MegaTank offers quality, low cost; but slow, poor display.

Canon
SELPHY QX20
Portable dye-sub sticker printer; but no battery, paper scarce.
Canon
PIXMA PRO-200
Pro large-format quality; but high ink and replacement costs.