Head-to-head

Canon GX5120 vs GX6120: Do paper originals reach your desk?

The short answer

Choose GX5120 when the work already arrives as files and a scanner is unnecessary or already covered. Choose GX6120 when suitable loose originals regularly need scanning or copying. Both list the same print speed, GI-26 inks and two paper sources, so the larger model is not a documented print-throughput upgrade. Its 50-sheet Letter feeder scans one side only, and its glass is Letter-size.

Before you choose

The reasoning and the trade-offs

A digital business can outgrow its printing volume without needing the larger model

Both printers list 24 black and 15.5 color ISO images per minute, automatic duplex and 350 sheets across two sources. If orders, invoices and customer files already arrive digitally, GX6120 does not buy a higher published print rate or a larger input supply. Its useful addition is scanning and copying. Check current offers and the actual job mix, but do not pay for an assumed speed upgrade that the specifications do not show. These ISO ratings are not a prediction for complex artwork or duplex completion time.

What this is based on

A growing file-based home business crossed with identical documented print ratings and input architecture. The upgrade is separated from unmeasured job timing and current prices.

Main trade-off

Canon MegaTank GX5120

Print-only. There is no glass or feeder for a signed form that arrives on paper.

Main trade-off

Canon MegaTank GX6120

The feeder scans one side only. No fax or full Legal-size glass.

Canon MegaTank GX5120

Canon MegaTank GX5120

Choose it for
  • Keep a file-to-print workflow without adding unused scanning functions.
  • Retain the same listed print speed and two paper sources when a separate scanner already does the job.
Main trade-off
Print-only. There is no glass or feeder for a signed form that arrives on paper.
See price & reviews on Amazon
Canon MegaTank GX6120

Canon MegaTank GX6120

Choose it for
  • Feed suitable one-sided forms instead of handling each on a separate scanner.
  • Use the 2.7-inch touchscreen for an integrated print, scan and copy routine.
Main trade-off
The feeder scans one side only. No fax or full Legal-size glass.
See price & reviews on Amazon

Analysis updated , Catalog updated , Amazon.com / United States

About this comparison

Canon GX5120 vs GX6120 for a home business. Compare the same print speed and paper supply with the real value of adding a scanner and document feeder.

These Canon office tank models share the 24/15.5 ISO print rating, GI-26 inks and 250-plus-100-sheet paper supply. A home-business buyer can realistically choose the print-only model or pay for integrated original handling without changing the core paper-printing routine.

Winner by situation

Start with what you need it to do

  • All recurring jobs arrive as printable files

    GX5120 keeps the same listed print capabilities without an unused scanner.

    Canon MegaTank GX5120
    Better fit
    Canon MegaTank GX6120
    Good
  • Suitable one-sided forms arrive regularly

    GX6120 adds an integrated document feeder.

    Canon MegaTank GX5120
    Caution
    Canon MegaTank GX6120
    Better fit
  • A separate duplex scanner already handles the paperwork

    GX6120’s single-sided feeder may duplicate an existing function.

    Canon MegaTank GX5120
    Better fit
    Canon MegaTank GX6120
    Good
  • Fragile Legal originals need a full-size glass

    GX5120 has no scanner and GX6120’s glass is Letter-size.

    Canon MegaTank GX5120
    Caution
    Canon MegaTank GX6120
    Caution

What matters in practice

The differences that matter

A digital business can outgrow its printing volume without needing the larger model

Both printers list 24 black and 15.5 color ISO images per minute, automatic duplex and 350 sheets across two sources. If orders, invoices and customer files already arrive digitally, GX6120 does not buy a higher published print rate or a larger input supply. Its useful addition is scanning and copying. Check current offers and the actual job mix, but do not pay for an assumed speed upgrade that the specifications do not show. These ISO ratings are not a prediction for complex artwork or duplex completion time.

How we reached this conclusion

A growing file-based home business crossed with identical documented print ratings and input architecture. The upgrade is separated from unmeasured job timing and current prices.

An integrated scanner helps signed forms, but an existing duplex scanner changes the answer

GX6120 can feed a stack of suitable one-sided forms, removing repeated placement on a glass or the need to bring out another device. Its feeder does not capture both sides automatically. A household that already owns a capable duplex document scanner may gain little for two-sided archiving, while GX5120 keeps the same specified print functions. Count the whole sequence, including finding the scanner, sending the file and putting it away. Integration is valuable when it removes real setup work, not merely because another function appears in the name.

How we reached this conclusion

Paperwork shared with home-business printing plus possible ownership of a separate scanner crossed with print-only versus a single-sided ADF. Existing scanner capability is an explicit conditional assumption.

The Legal page needs a route, not just the word scanner

GX6120 feeds up to 10 suitable Legal originals, but its glass is Letter-size. A long fragile original that should not pass through rollers is therefore not fully solved by choosing the all-in-one. GX5120 provides no scanning route at all. If those documents are common, choose a separate capture method that accepts their full size and condition before deciding which printer to buy. For ordinary loose Legal forms, the feeder can still be useful. A higher Letter capacity does not carry over to longer originals.

How we reached this conclusion

Long paperwork plus fragile or unsuitable originals crossed with GX6120 Legal ADF capacity and smaller flatbed. The conclusion preserves the difference between paper size support and a safe suitable route.

Choice A
Canon MegaTank GX5120

Canon, 6884C002

Canon MegaTank GX5120

Keep a file-to-print workflow without adding unused scanning functions.

Best matched use
Keep a file-to-print workflow without adding unused scanning functions.

Checked facts

  • Core printing: 24 black and 15.5 color ISO ipm, automatic duplex.
  • Two paper types: 250-sheet cassette plus 100-sheet rear tray.
  • Incoming originals: Print-only, no scanner.
  • Controls and ink stock: Two-line LCD and GI-26 pigment inks.
Choice B
Canon MegaTank GX6120

Canon, 6882C002

Canon MegaTank GX6120

Feed suitable one-sided forms instead of handling each on a separate scanner.

Best matched use
Feed suitable one-sided forms instead of handling each on a separate scanner.

Checked facts

  • Core printing: 24 black and 15.5 color ISO ipm, automatic duplex.
  • Two paper types: 250-sheet cassette plus 100-sheet rear tray.
  • Incoming originals: Letter glass and 50 Letter or 10 Legal originals in a single-sided feeder.
  • Controls and ink stock: 2.7-inch touchscreen and GI-26 pigment inks.

Meaningful differences

What changes the fit

Meaningful differences between Canon MegaTank GX5120 and Canon MegaTank GX6120
What changesCanon MegaTank GX5120Canon MegaTank GX6120Why it matters
Core printing24 black and 15.5 color ISO ipm, automatic duplex.24 black and 15.5 color ISO ipm, automatic duplex.The model upgrade does not change these published print ratings.
Two paper types250-sheet cassette plus 100-sheet rear tray.250-sheet cassette plus 100-sheet rear tray.Both can keep compatible second media separate from the main plain-paper stack.
Incoming originalsPrint-only, no scanner.Letter glass and 50 Letter or 10 Legal originals in a single-sided feeder.Original handling is the main functional reason to buy the all-in-one.
Controls and ink stockTwo-line LCD and GI-26 pigment inks.2.7-inch touchscreen and GI-26 pigment inks.The control layout changes while the documented refill family remains shared.

What you give up

Every choice has a cost

If you choose Canon MegaTank GX5120

  • If originals start arriving later, their capture needs another device or an appropriate phone workflow. Include that handling and storage before treating print-only as simpler.

If you choose Canon MegaTank GX6120

  • An existing duplex document scanner may already handle two-sided packets better. Adding this single-sided feeder does not automatically improve that workflow.

Recommendation switch

The decision flips if...

Files are digital or a suitable scanner is already part of the desk

Choose Canon MegaTank GX5120. GX5120 preserves the documented printing functions.

One-sided physical forms need a convenient integrated capture route

Choose Canon MegaTank GX6120. GX6120 adds the glass and feeder.

What matters in practice

Before you choose

The useful upgrade depends on whether work arrives as files or as physical pages that somebody must digitize.

Check these before buying

  • List which jobs start on paper.
  • Check the existing scanner before duplicating it.
  • Separate Letter and Legal original capacity.
  • Check current exact-model offers and computer support.

What this comparison cannot tell you

  • No assumed price saving or desk-space saving.
  • No automatic two-sided scan on GX6120.
  • No measured print-quality, timing or reliability difference.

What the facts say

What the comparison shows

Useful conclusions from the current ink-tank printers comparison, followed by the checked facts used to reach them.

See the checked facts and calculation notes
Compared set
2 models
Source records
3 for the products shown
Catalog updated
Facts and source records used for the products in this recommendation
ProductNeeds matchedChecked factsSource records
Canon MegaTank GX5120
  • Keep a file-to-print workflow without adding unused scanning functions.
  • Retain the same listed print speed and two paper sources when a separate scanner already does the job.
  • Core printing: 24 black and 15.5 color ISO ipm, automatic duplex.
  • Two paper types: 250-sheet cassette plus 100-sheet rear tray.
  • Incoming originals: Print-only, no scanner.
  • Controls and ink stock: Two-line LCD and GI-26 pigment inks.
  • MegaTank GX5120 US specifications: Canon (product specification)
Canon MegaTank GX6120
  • Feed suitable one-sided forms instead of handling each on a separate scanner.
  • Use the 2.7-inch touchscreen for an integrated print, scan and copy routine.
  • Core printing: 24 black and 15.5 color ISO ipm, automatic duplex.
  • Two paper types: 250-sheet cassette plus 100-sheet rear tray.
  • Incoming originals: Letter glass and 50 Letter or 10 Legal originals in a single-sided feeder.
  • Controls and ink stock: 2.7-inch touchscreen and GI-26 pigment inks.

Ready to choose?

Check the price. Read the owner reviews.

Open either model on Amazon to check the current price, customer reviews and delivery options.

Canon MegaTank GX5120

Canon MegaTank GX5120

Keep a file-to-print workflow without adding unused scanning functions.

Retain the same listed print speed and two paper sources when a separate scanner already does the job.

See price & reviews on Amazon
Canon MegaTank GX6120

Canon MegaTank GX6120

Feed suitable one-sided forms instead of handling each on a separate scanner.

Use the 2.7-inch touchscreen for an integrated print, scan and copy routine.

See price & reviews on Amazon

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