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Canon MF753Cdw II vs LBP646Cdw: Choose by Document Work and Desk Fit

These are different task classes: the MF753Cdw II is a print/scan/copy/fax all-in-one, while Canon lists the LBP646Cdw for print only. The MF753Cdw II also offers a 50-sheet multipurpose tray and 50-sheet duplex ADF, but its listed body is deeper and taller; the LBP646Cdw uses a one-sheet manual feed slot and has a smaller listed height and depth.

Published by Pickoryx · Published 2026-10-03

Source checked 2026-10-03 22:09 UTC

Products compared

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The buying question

Do you need scanning, copying and faxing in the printer, or is print-only enough—and will the larger MF753Cdw II’s 50-sheet multipurpose tray justify its additional desk space compared with the LBP646Cdw’s one-sheet manual feed?

The MF753Cdw II combines print, scan, copy and fax, with a 50-sheet duplex ADF and a 50-sheet multipurpose tray. The LBP646Cdw is print-only, has a 250-sheet cassette and a one-sheet manual feed slot, and is listed with smaller height and depth. Both list a 250-sheet standard cassette.

Quick verdict

Choose Canon Color imageCLASS MF753Cdw II (7185C011) if

  • You need the printer itself to scan, copy or fax; Canon lists all four functions for the MF753Cdw II and a 50-sheet duplex ADF.
  • You expect to use a multipurpose feed tray for more than one sheet at a time and have space for the MF753Cdw II’s listed dimensions.
View Canon Color imageCLASS MF753Cdw II (7185C011) on AmazonPaid link
When to skip: You need tabloid or A3 printing: both cited Canon specifications list a maximum paper size of 8.5 × 14 inches.
When the recommendation changes
  • If your workflow includes recurring scans, copies or faxes, the LBP646Cdw is not a substitute because Canon lists it as print-only. If you only print and the smaller body matters more than a 50-sheet multipurpose tray, the LBP646Cdw may fit better.

The differences that matter

Document Task Scope

Canon Color imageCLASS MF753Cdw II (7185C011)

Print, scan, copy and fax; 50-sheet ADF supports two-sided (one-pass) scan.[1]

Canon Color imageCLASS LBP646Cdw (6929C008)

Function listed as print.[2]

What this changes: Choose the MF753Cdw II for an all-in-one document workflow; the LBP646Cdw is the print-only alternative.[1, 2]

The better fit depends on your priorities

Desk And Paper Handling Fit

Canon Color imageCLASS MF753Cdw II (7185C011)

Unit: 16.8 in W × 18.2 in D × 17 in H, 48.5 lb. Print paper: 250-sheet cassette plus 50-sheet multipurpose tray; separate 50-sheet duplex ADF feeds originals.[1]

Canon Color imageCLASS LBP646Cdw (6929C008)

Unit: 16.8 in W × 16.5 in D × 10.5 in H, 27.6 lb. Print paper: 250-sheet cassette plus one-sheet manual feed slot.[2]

What this changes: Both have a 250-sheet cassette. MF753Cdw II adds a 50-sheet multipurpose tray, while LBP646Cdw has one-sheet manual feed; MF753Cdw II is 1.7 in deeper and 6.5 in taller by the listed dimensions.[1, 2]

The better fit depends on your priorities

Best for your routine

A single device must scan, copy or fax as well as print

Best fit: Canon Color imageCLASS MF753Cdw II (7185C011)

Based on listed features, not comparative testing.

Canon lists print, scan, copy and fax for the MF753Cdw II, while the LBP646Cdw is listed for print only.

View Canon Color imageCLASS MF753Cdw II (7185C011) on AmazonPaid link

Print-only color laser use in a tighter desk space, with occasional one-sheet manual feeding

Best fit: Canon Color imageCLASS LBP646Cdw (6929C008)

Based on listed features, not comparative testing.

The LBP646Cdw is listed as print-only and its body dimensions are lower in height and depth; its manual feed slot holds one sheet.

View Canon Color imageCLASS LBP646Cdw (6929C008) on AmazonPaid link

Frequent use of a multipurpose feed path with room for the larger body

Best fit: Canon Color imageCLASS MF753Cdw II (7185C011)

Based on listed features, not comparative testing.

Canon lists a 50-sheet multipurpose tray for the MF753Cdw II, compared with the LBP646Cdw one-sheet manual feed slot.

View Canon Color imageCLASS MF753Cdw II (7185C011) on AmazonPaid link

Value and trade-offs

One or both observed offers have eligibility conditions, so no unrestricted price difference is shown.

Any current price difference should be weighed against whether the scan/copy/fax workflow, 50-sheet duplex ADF and 50-sheet multipurpose tray matter, along with the MF753Cdw II’s larger listed dimensions.

There is not enough price history to recommend when to buy.

Limitations

  • The ADF holds document originals for scanning; it is separate from the print-paper cassette and multipurpose tray.
  • The comparison uses Canon’s listed functions, feed capacities and unit dimensions; it does not test print speed, output quality, reliability or real-world media handling.
  • Canon U.S. currently marks the LBP646Cdw discontinued/unavailable in its store, while its MF753Cdw II page shows conflicting availability indicators. Availability varies by seller; check the exact offer for stock, condition, included items, delivery and warranty.

Questions shoppers ask

Is the LBP646Cdw an all-in-one printer?

No. Canon lists its function as print. The MF753Cdw II is listed for print, scan, copy and fax.

Does the MF753Cdw II have 350 sheets of print-paper input?

No. Canon lists a 250-sheet standard cassette and a separate 50-sheet multipurpose tray. The 50-sheet ADF is for document originals and scanning, not another print-paper tray.

Methodology and sources

I compared Canon U.S. model pages for functions, original-document scanning, input-feed capacities and unit dimensions. The ADF is treated as an original-document feeder, not as print-paper capacity. No print output or performance test was conducted.

AI-assisted research organization and drafting; no hands-on testing was performed.

View 2 sources
  1. 1.Color imageCLASS MF753Cdw II - All in One, Wireless, Duplex Laser PrinterCanon U.S.A. · Official specifications · Source checked 2026-10-03 22:09 UTC
    Evidence used on this page
    • U.S. store SKU at product header; Overview and Main Unit Specifications, including Functions, Document Feeder, Paper Capacity and Unit Dimensions. The current store page shows mixed availability labels (an in-stock indicator alongside a discontinued/no-longer-available notice); this is Canon-store status only.: Identifies the U.S. store model as MF753Cdw II SKU 7185C011. Lists print/scan/copy/fax; a 50-sheet duplex one-pass ADF; 250-sheet standard cassette and 50-sheet multipurpose tray; unit dimensions 16.8 × 18.2 × 17 in and weight 48.5 lb. The Canon U.S. page currently shows inconsistent availability labels for this product, so it does not establish seller-wide availability.
  2. 2.Color imageCLASS LBP646Cdw - Wireless, Duplex Laser PrinterCanon U.S.A. · Official specifications · Source checked 2026-10-03 22:09 UTC
    Evidence used on this page
    • U.S. store SKU at product header; Overview and Main Unit Specifications, including Functions, Paper Capacity, Min/Max Paper Size and Unit Dimensions. The current page says discontinued/no longer available at the Canon U.S. store.: Identifies the U.S. store model as LBP646Cdw SKU 6929C008. Lists print-only function; 250-sheet standard cassette and one-sheet manual feed slot; maximum listed paper size 8.5 × 14 in; unit dimensions 16.8 × 16.5 × 10.5 in and weight 27.6 lb. Canon currently labels this product discontinued/unavailable through its own store; that does not establish availability from other sellers.

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