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Quick answer: Both are low-cost all-in-ones with a document feeder. The TR4720 is described as 4-in-1 with built-in fax; the DeskJet 4155e lists mobile fax and says it works only with HP-chip cartridges.
This comparison is built from the product listings and manufacturer information on Amazon, not our own testing. Confirm details on the product pages before you buy.
Last updated: October 30, 2026.
At a Glance
| Feature | HP DeskJet 4155e | Canon PIXMA TR4720 |
|---|---|---|
| Type | Color inkjet all-in-one | 4-in-1 inkjet all-in-one |
| Document feeder | Yes | Yes |
| Fax | Mobile fax | Built-in fax |
| Speed (listing) | Up to 8.5 ppm black / 5.5 ppm color | Not stated here |
| Wi-Fi | Dual-band with self-reset; USB 2.0 | Wireless |
| Ink policy | Works only with cartridges with HP chips | Not stated |
| App | HP Smart (HP+ features) | Canon PRINT Inkjet/SELPHY |
Key Differences
Fax
The TR4720 has built-in fax. The DeskJet 4155e lists mobile fax through the HP app.
Ink policy
HP says the printer will block cartridges with non-HP chips.
HP+
HP+ needs an HP account and internet and adds features such as Instant Ink.
Which Should You Choose?
Choose the HP DeskJet 4155e if
you want built-in fax and fewer ink restrictions to check.
Choose the Canon PIXMA TR4720 if
you prefer HP’s app and accept its ink policy.
Frequently Asked Questions
Which is cheaper to run?
Both use small cartridges. Compare prices.
Do both have duplex?
Neither listing highlights it.
Which is better for a dorm?
Either, depending on fax and ink policy.
Bottom Line
Choose the TR4720 for built-in fax and the DeskJet for HP’s app. See best printers for students.
