Noob question and did I just damage my heatbed?

Hi everyone, just got my A5 as a gift.
Assembled everything and I already have a question: my model arrived with blue tape all over the heatbed, is that just for protection, or is it needed for adhesion? As I asked on reddit the question because I didn't find this forum earlier, I was advised to leave the tape on, and so I did my first test print.
The print worked, but it was a struggle to get it off the tape, so much that I tore a little piece of it, and I'm afraid I may have damaged the bed underneath.
Here's a couple of pictures, can anyone tell me if that is actual damage, or just something that needs to be removed with a solvent of some kind?
Any hint would be appreciated, thanks!


  • rhaub101rhaub101 Posts: 78🌟 Super Member 🌟
    Hard to tell from the pic. Try to clean it off with isopropyl alcohol. Could just be adhesive from the tape.
    Thanked by 1noobmaker
  • Samuel PinchesSamuel Pinches Posts: 2,596Administrator
    Welcome @noobmaker!

    I don’t worry too much about minor marks on the bed... everyone ends up making mistakes now and then, and they won’t significantly affect the bed adhesion. 
    Thanked by 1noobmaker
  • noobmakernoobmaker Posts: 8Member
    I thought that the bed should be pretty resistent, but I just wasn't sure.
    I'll try cleaning with isopropyl alcohol and see how it goes, don't I have to do it anyway after each print?
    So, I'm guessing the tape has to go then, right?
  • Samuel PinchesSamuel Pinches Posts: 2,596Administrator
    Its more important to do it if you touch it with fingers, as the oils may make the next print stick. I probably wipe it down every 5-15 prints? The tape is there as "training wheels" to help you get your first layer levelling process down pat. A lot of users don't level the bed, and then watch as their nozzle grinds a nice brass coloured line into the bed on their first print....
    Thanked by 1noobmaker
  • noobmakernoobmaker Posts: 8Member
    For bed leveling there is also a sheet of transparent paper which is provided explicitly for that purpose.
    Can you confirm the blue tape has to be removed then, leaving the black dotted bed underneath?
  • Samuel PinchesSamuel Pinches Posts: 2,596Administrator
    Yes, you should remove the blue tape on the bed.
    I don't recommend using the transparent paper.
    For a first time, I recommend strictly following the bed adhesion tips on the wiki.
    They are conservative to result in a fool proof first layer.
    Once you get that working, feel free to change the recipe as you find works.
    Best of luck!
    Thanked by 1noobmaker
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