Color Differencies

[V-P]

I have a customer with 2 machines.

CLC4040
iRC3380i

On vector based print (vector, text, graphic, lines) the CLC is a beast.

On raster based prints (images, scans, photos etc) the CLC prints the images much darker than the iRC3380.

I did make a full calibration on the CLC (optics clean + full auto gradation + rip calibration with eye one). The situation is still the same.

The driver used in iRC3880 is a UFRII driver.
The drivers used in CLC4040 are PCL5e & PS drivers.

I do believe it is a rendering issue.

Question is : How do I influence only raster image processing on the CLC4040 and leave the rest as is ?

Cheers

[bipc]

Re: Color Differencies

But do you feel like the CLC is getting the colors way off what you expected or do you just compare? remember the IRC3380i is a black machine with colors abiliites, so it can do colors but has limitations, one of those is the colors always a little lighter, and when it comes to light blues or greens is goes a little more violet than it should, so if you feel the collors are way too dark according to what is needed is one thing, can you post a scan of the same photo on the 2 machines? had a couple of clients with the same complaint about a IRC3080i because they compared it to an IR3180C and had to explain the sectors to wich each was created. hope it helps

[V-P]

Re: Color Differencies

I am attaching a photoshop sample (island girl).

You have the orginal version of the file and the printout from both machines.

[bipc]

Re: Color Differencies

well the clc has more accurate colors than the 3580 wich is doing alot more blueish and violet on the white's and light colors, but the CLC is doing alot darker, are you sure the CLC as a PCL printer board? all i've sold and maintain have UFRII, try printing it using the UFR, when you copy that image on it does it also come out darker?

[V-P]

Re: Color Differencies

The CLC comes with a H1 Rip. It's standard way to print is PS.

Why go to UFRII when you can print in PS mode ?

[bipc]

Re: Color Differencies

well UFRII has better speed and compression rate than PCL and PS, have you tried to copy that image? does it also come out darker? haven't had much experience with rip's but have had machines that updating the driver improved the colors and clients that installed pcl instead of UFR and that also changed the output results

[V-P]

Re: Color Differencies

yeah but I doubt that H1 rip will accept a UFRII as a driver.

I think I tried it once but it did not make any connection (but that was some time ago)

[Canuck]

Re: Color Differencies

Copiers have 2 different gamuts. When a colour falls in the colour space outside the gamut of the printer,the printer moves it into its gamut by reproducing it....not always identical. CLC has a different gamut(better actually) than the imagerunner. Thats why when properly calibrated CLC has much better image quality...CLC is a print shop machine....Imagerunners are business colour.

[northernlife]

Re: Color Differencies

Both of them are getting charging lines, They need work before you can truly compare. Like Canuck said, 3380's are meant for small offices for business color. The CLC's are made for printshops that sell their prints. CLC's also require that a strict maintenance schedule be kept or CQ will degrade rather quickly.

[V-P]

Re: Color Differencies

guys, you are missing the point...

The CLC prints vectors / text (whatever illustration in vector format) very accurately.

It only suffers in images. It prints them darker.

We are not talking about a faulty machine. I took the example of iRC3580 for comparison reasons.

I am not arguing which is better than the other.

My point is: How to improve the (shadow/highlight) of the CLC ?

[tinnyjay]

Re: Color Differencies

I am using a CLC5151 (the same machine like clc4040)
When you print from H1 its better to use this driver http://files.canon-europe.com/files/...re/c844enx.exe
I am printing it from two computers with two diferent drivers.
The one i use is using the driver i shared with you.
When you print you can choose the print resolution,priority and much more things.
You have an option to print the document lighter.
Try to calibrate fiery H1 first and then find the best way to print your images from driver configuration.
Clc4040 its a beast !

[northernlife]

Re: Color Differencies

By following the PM schedule religiously. Whatever under durables that is near 80% replace it. CLC will destroy the 3380's printouts if it's properly maintained and calibrated.

[bipc]

Re: Color Differencies

I agree with tinnyjay, the only plausible explanation for the darker prints only on certain things should have to do with driver not being the best one or it would make all prints darker.

I am using a CLC5151 (the same machine like clc4040)
When you print from H1 its better to use this driver http://files.canon-europe.com/files/...re/c844enx.exe
I am printing it from two computers with two diferent drivers.
The one i use is using the driver i shared with you.
When you print you can choose the print resolution,priority and much more things.
You have an option to print the document lighter.
Try to calibrate fiery H1 first and then find the best way to print your images from driver configuration.
Clc4040 its a beast !

[Canuck]

Re: Color Differencies

What you call a CLC is a Colour Image Runner here...business colour machine,little better than 3380, but not like a CLC here. The CLC copiers here provide top quality colour,but won't run any heavy stock. The machine you speak of is like a IRC4080 or 5185 here...business colour...not bad...RIP helps

[V-P]

Re: Color Differencies

We call it CLC here. We also have iRC-s.
Machine runs fine. I just want to fine tune it to the customer's needs.
Customer prints 350 gsm on a regular basis at no problems at all.

My issue is a more of a driver color interpretation issue...