Review Price £720.78
The C736dn has an instant-on fuser, so prints start impressively quickly, and the laser engine itself is no sloth. Although, yet again, it doesn't come up to Lexmark's rated speed of 33ppm for both black and colour, we did see a real-world speed of 25.5ppm for our 20-page black text document.
The five-page black text and colour graphics job took 18 seconds, giving 16.7ppm, which sounds a lot slower, but is in fact faster than the equivalent five-page black text test.
When we cut in the duplexer and fed through a 20-side job, it completed in 1:06, giving a speed of 18.8spm. This is very impressive and the machine uses an interesting feed system, where it takes in the first page and prints both sides and then takes pages in two at a time, printing first one side of each and then the other.
Black text is extremely clean, with even heavily emboldened subheads coming through neat and densely black. Colour graphics for business use are also dense and bright, producing attention-grabbing diagrams and charts. We noticed a little registration displacement of black over colour, and some of the colour shades were darker than the originals, but neither of these faults was pronounced.
Our test photo print, while sharing the bright colours of the printer's business graphics, showed good detail and retained that detail in darker and shadowed areas, which is often not the case with colour lasers. The standard and maximum resolution of 1,200dpi stands the machine in good stead for all kinds of print.
Calculating the cost per page of the C736dn is no simple matter, as all the toner cartridges are available in four varieties, standard and high yields and Return Programme or not. Return Programme cartridges are cheaper than the unrestricted versions, on the understanding that you return the empties to Lexmark.
As well as the toner cartridges, you'll periodically have to change the photoconductor drums and replace the waste toner container. The drums are available in a four-pack, which reduces the overall cost slightly. Running through all the calculations gives a black cost per page of 2.13p, with 10.49p for colour, both including 0.7p for paper.
These costs are about average for a machine in this price bracket and using the high-yield cartridges, which have capacities of 12,000 pages for black and 10,000 pages for colour, means maintenance shouldn't be that frequent.
The C736dn is what a workgroup colour laser printer should be. It has plenty of capacity, even in its default state, and a huge expansion path. It prints fast, though still not as fast as the published figures, and is no more expensive than its rivals to run. With the modern convenience facility of printing from USB drive - PDF and graphics files -and the security of PIN access, it has to be a favourite for this class of print requirement.
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