Canon imageFORCE · Image Quality
Why Canon imageFORCE Output Looks Different: Inside the 4800 dpi Imaging System
Canon replaced the laser with an OLED exposure system to reach 4800 dpi, then added color correction that runs every five sheets. Here’s what that changes on the page.
Resolution numbers on copier spec sheets are usually noise. This one isn’t, because Canon didn’t make the existing laser finer — it changed what makes the image in the first place.
Most enterprise machines, Canon’s own previous generation included, expose the drum with a traditional laser at 1200 or 2400 dpi. The A3 imageFORCE models use what Canon calls D2 Exposure: an OLED system with a shorter light path, reaching 4800 dpi. Canon describes it as the highest resolution in the enterprise market.
That’s the headline. What it actually buys you is more specific than “sharper prints.”
D2 Exposure
What a shorter light path changes
A laser has to travel a long optical path to reach the drum, and everything along that path is an opportunity for the beam to spread slightly. An OLED array sits closer. Canon credits three specific improvements to the change:
- 4800dpi print resolution, against 1200 or 2400 dpi on previous enterprise models
- ☀Higher white letter contrast — reversed-out type on dark fills stays legible
- ◇Improved color registration with less color shift, plus smoother gradation
D2 Exposure and 4800 dpi apply to the imageFORCE C7165, C5100 Series, 6100 Series, 4100 Series and C3100 Series.
Where you’d actually notice it: gradients that used to band, reversed-out white text in a dark header, and fine color detail at small sizes — logos, charts, the thin rules in a table. On a page of plain black body text, you wouldn’t.
The black-and-white side
The 8100 Series takes a different route
Canon’s high-speed B&W line — the 8100 Series at 105, 95 and 86 ppm — doesn’t use the OLED system. It uses an R-VCSEL imaging laser at 2400 × 2400 dpi, and the reasoning is specific to the work it does.
It’s a red laser rather than infrared, and the shorter wavelength resolves finer detail. Canon points at exactly the applications where that matters: text, thin lines and small vector elements — which is to say CAD drawings, engineering sets, dense financial tables and legal documents. It fires 32 beams at once, so the precision doesn’t cost throughput.
If your output is mostly line work rather than photography, that trade is the right one, and it comes with a 9,360-sheet maximum paper capacity for the kind of run lengths that line of work produces.
Consistency
Color that corrects itself
Sharpness is the easy half. The harder problem in any office that prints color is drift — the machine that looked right in March and looks slightly green in July. Canon addresses it in layers:
Multi-Density Adjustment
The device scans color patches every few hundred sheets and adjusts density on its own, so sheet 900 matches sheet 1. This is the drift that normally shows up when someone reprints one page of a set and it doesn’t match the rest.
Available on: C7165, C5100 Series, C3100 Series
Real-time adjustment every 5 sheets
The C7165 goes further and corrects color every five sheets using estimation, with no operator input. Canon’s framing is the part worth noting: no professional knowledge needed, and nobody manually adjusting color levels.
Available on: C7165
Print preset profiles
More than ten profiles in the print driver — enhanced blues, greens or reds; lighter or darker shadows; modes for graphics, photos, vivid photo and CAD designs; text and small character modes; and document types like newsletters, flyers and publications.
Available on: C7165
Dual print controller support
The native Canon controller runs as primary with an imagePASS-T1 as secondary — stronger out-of-box color, more file layout options, faster processing of complex jobs, and additional security features.
Available on: C7165, C5100 Series
Mechanical precision
Front-to-back registration
One quality problem has nothing to do with imaging: whether the image on the back of a sheet lines up with the image on the front. On anything folded, bound or hole-punched, a couple of millimeters of drift is immediately visible — and it’s the kind of flaw that makes an in-house piece look in-house.
The imageFORCE C7165 and 8100 Series handle it with fixing knobs that secure the paper through the path, plus two sensors that adjust paper positioning automatically. It’s an unglamorous feature that decides whether your booklets look professionally produced.
Does this matter to you?
Four symptoms that say yes
Print quality engineering is easy to ignore until it maps onto something that’s actually annoying you. If any of these sound like your office, it’s relevant:
You reprint one page of a set and it doesn’t match
The most common complaint in any office that prints client-facing color. Automatic density adjustment is aimed squarely at it.
Your CAD or line drawings lose thin strokes
This is a wavelength problem, not a resolution problem — which is what the red laser on the 8100 Series addresses.
Duplex pieces don’t line up front to back
Visible immediately on anything folded or bound, and the reason the registration hardware exists.
Someone keeps hand-tuning the driver
If one person in the office is the only one who can make the color come out right, the preset profiles are solving a staffing problem as much as a print one.
And if none of them do — if you print internal documents and nobody has ever complained — then this isn’t the reason to choose a machine, and we’d tell you that. Speed, volume capacity and running cost would matter more.
What it enables
The practical payoff
Output quality is what makes in-house production credible. Banners, coated direct mail and water-resistant signage are only worth printing yourself if the result doesn’t announce where it came from — which is why we wrote the companion piece on the jobs these machines can pull back from a print shop.
Specification sheets and brochures for every model mentioned here are collected in our imageFORCE quick reference, and the current lineup lives on the Canon copiers page.
Bring us a file you’ve had trouble printing
The honest way to evaluate print quality is to look at a sheet, not a spec. Send us the job that never comes out right — the gradient that bands, the drawing that loses lines, the reprint that doesn’t match — and we’ll run it.
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