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New Member
Posts: 9
Registered: ‎02-05-2018
Accepted Solution

GSM range to actual paper thickness

I hope someone can help.

 

I have a Versant 180. The paper stocks that we get from our suppliers can either be labelled in lbs or gsm. Some suppliers give both labels on their products, however for some reason or another, SOME DON'T.

 

Here are the list of choices of gsm settings for the Versant 180.

 

52-63 gsm
64-80 gsm
81-90 gsm
91-105 gsm
106-135 gsm
136-157 gsm
158-176 gsm
177-220 gsm
221-256 gsm
257-300 gsm
301-350 gsm

 

I'm guessing these are used for the machine to determine how thick the paper is. Can someone translate this from paper weigth into actual thickness from gsm to millimeters.

 

Example:
52-63gsm = 0.10 - 0.15 mm thick paper
64-80gsm = 0.16 - 0.20 mm thick paper
and so on....

This data would be useful since I have a caliper which will determine the thickness of each paper that we use. This way, everything is more consistent.
If there is another reason for Xerox choosing "gsm" for paper range other than dertermining the thickness, I'd like to know. 

 

Thanks in advance!

Analyst Nation Moderator
Posts: 5,604
Registered: ‎11-25-2013

Re: GSM range to actual paper thickness

If there is another reason for Xerox choosing "gsm" for paper range other than dertermining the thickness, I'd like to know. 

Thickness has no relevance and doesn't account for the density of the material. GSM is the industry standard. Basis weight applies to the whole ream, not the page, so a different size and material type makes it a bad usage scenario to a printer, because the printer needs to program its speed and heat application to the density of the material, not how much it weighs in a stack of 500 sheets.

 

I have a Versant 180. The paper stocks that we get from our suppliers can either be labelled in lbs or gsm. Some suppliers give both labels on their products, however for some reason or another, SOME DON'T. The stocks that don't typically are designed for Ink, not toner based products.

 

I'm guessing these are used for the machine to determine how thick the paper is. Can someone translate this from paper weigth into actual thickness from gsm to millimeters. It isn't thickness, a caliper would be a useless conversion because it doesn't account for Density and to toner or soilid ink printer, that is the only factor that matters. GSM to Basis weight is done by hundreds of sites

 

 

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Joe.
New Member
Posts: 9
Registered: ‎02-05-2018

Re: GSM range to actual paper thickness

Thanks for explaining that it isn't thickness but density that matters. Thanks for explaining this.

 

 

Do you have recommendations for keeping the sheet straight/straighter when it enters from the Bypass Tray?

 

Trays 1 2 3 prints straight, but when I try to print from the Bypass, I sometimes get a slanted print which creates problems when it comes to cutting. 

Analyst Nation Moderator
Posts: 5,604
Registered: ‎11-25-2013

Re: GSM range to actual paper thickness

Ask your service tech, I know there are "kits" for some devices (The C75 and XC560 for sure) that make the guides more rigid so they don't drift open during feeds (Which is why the paper gets off level).

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Joe.
New Member
Posts: 9
Registered: ‎02-05-2018

Re: GSM range to actual paper thickness

Follow up question on density. 

 

Versant 180 Trays 1 2 & 3 have a max density setting of 256gsm and Bypass Tray has a max density setting of 350gsm. How come the max is different when they print on the same machine?

Analyst Nation Moderator
Posts: 5,604
Registered: ‎11-25-2013

Re: GSM range to actual paper thickness

Tray 5 doesn't bend the paper 90 degrees 2 times to get it to the paper path.

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Joe.
New Member
Posts: 9
Registered: ‎02-05-2018

Re: GSM range to actual paper thickness

Got it! Thanks!