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Canon
Canon imageFORMULA R40
$356
Best Document Scanners · head-to-head
Canon imageFORMULA R40 vs Plustek PS188
A sourced, side-by-side comparison. Plustek PS188 is cheaper at $229. Every spec and price links to its source.
Plustek
Plustek PS188
$229Cheaper
Which is better: the Canon imageFORMULA R40 or Plustek PS188?
The Plustek PS188 wins 1 of the 1 specs we compare head to head; the other wins 0. The Plustek PS188 is the cheaper at $229. The Plustek PS188 both leads on specs and costs less — the straightforward pick.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Canon imageFORMULA R40 | Plustek PS188 |
|---|---|---|
| US price | $356 | $229 |
| Brand | Canon | Plustek |
| Released | — | — |
| Form factor | sheetfed-adf | sheetfed-adf |
| Simplex speed ppm | 30 | 30 |
| Duplex speed ipm | 60 | 60 |
| Optical resolution (dpi) | 600 | 600 |
| Adf capacity sheets | 60 | 50 |
| Duplex scan | Yes | Yes |
| Connectivity | usb | usb |
| Touchscreen | No | No |
| Daily duty cycle sheets | 4000 | 4000 |
| Max media width (mm) | 216 | 216 |
| Weight (kg) | 2.8 | 1.66 |
Sources — Canon imageFORMULA R40: en.canon-cna.com (verified 2026-07-13). Plustek PS188: plustek.com (verified 2026-07-13).
What's the difference between the Canon imageFORMULA R40 and Plustek PS188?
Where the two actually differ on the specs we track (2 of 11). Matching specs are omitted.
- Adf capacity sheets: Canon imageFORMULA R40 60 vs Plustek PS188 50
- Weight (kg): Canon imageFORMULA R40 2.8 vs Plustek PS188 1.66