Canon - imageCLASS MF656Cdw vs Epson - WorkForce Pro WF-7840
Between the imageCLASS MF656Cdw and WorkForce Pro WF-7840, the imageCLASS MF656Cdw comes out ahead in pages/min (color), while the WorkForce Pro WF-7840 wins on pages/min (mono). Overall, the imageCLASS MF656Cdw scores 58.2 and the WorkForce Pro WF-7840 scores 60.4 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (58.2 vs 60.4). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the imageCLASS MF656Cdw if you care most about pages/min (color). The biggest gaps in its favor are pages/min (color).
Pick the WorkForce Pro WF-7840 if you care most about pages/min (mono). Its strongest claims are pages/min (mono).
Both ship with comparable color, auto duplex, adf, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Canon - imageCLASS MF656Cdw wins
- ▲Pages/min (color) — 91.67% more. 23 vs 12.
Why Epson - WorkForce Pro WF-7840 wins
- ▲Pages/min (mono) — 8.70% more. 25 vs 23.
Spec comparison
Spec
| Spec | Canon - imageCLASS MF656Cdw | Epson - WorkForce Pro WF-7840 |
|---|---|---|
| Type | Laser AIO (color) | Inkjet AIO |
| Color | true | true |
| Pages/min (mono) | 23 | 25lead |
| Pages/min (color) | 23lead | 12 |
| Resolution | 1200x1200 dpi | 4800x2400 dpi |
| Max paper size | Letter | Tabloidlead |
Features
| Spec | Canon - imageCLASS MF656Cdw | Epson - WorkForce Pro WF-7840 |
|---|---|---|
| Auto duplex | true | true |
| ADF | true | true |
| Wi-Fi | true | true |
| AirPrint | true | true |
Frequently asked
Spec-level deep dives
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