When do we need to replace the head bed for i3MK3S/3S+?
 
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When do we need to replace the head bed for i3MK3S/3S+?  

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prusanewuser
(@prusanewuser)
Prominent Member
When do we need to replace the head bed for i3MK3S/3S+?

Hi, during several XYZ calibrations, my nozzle hit the head bed violently. Paper was torn. I can see some blocks of brown rectangles on it at different corners. Do I need to replace it? When is the time to do so?

Posted : 12/04/2021 2:21 am
jsw
 jsw
(@jsw)
Famed Member
RE: When do we need to replace the head bed for i3MK3S/3S+?

Do you have a photo of the damage?

I know that in some cases the nozzle being driven strongly into the printbed can be due to a bad Pinda, or a Pinda badly out of vertical adjustment.

Posted : 12/04/2021 2:25 am
prusanewuser
(@prusanewuser)
Prominent Member
Topic starter answered:
RE: When do we need to replace the head bed for i3MK3S/3S+?

There you go

Posted : 12/04/2021 2:59 am
bobstro
(@bobstro)
Illustrious Member
RE: When do we need to replace the head bed for i3MK3S/3S+?

I had something similar due to simple wear. Someone suggested automotive enamel paint -- the type for engine blocks -- as an easy fix. I've applied some and used it for months since with no issues. If you're not having any printing abnormalities, that may be all you need.

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 12/04/2021 4:01 am
prusanewuser
(@prusanewuser)
Prominent Member
Topic starter answered:
RE: When do we need to replace the head bed for i3MK3S/3S+?
Posted by: @bobstro

I had something similar due to simple wear. Someone suggested automotive enamel paint -- the type for engine blocks -- as an easy fix. I've applied some and used it for months since with no issues. If you're not having any printing abnormalities, that may be all you need.

If painting something on top, won't that cause unevenness in layer height and perhaps temperature?

Posted : 12/04/2021 4:26 am
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