When to do things?

I am posting this to try and gain a consensus of opinion, although I suspect it will be pretty different from each individual, and their preferred option/routine, but;

After how often should the filament wiper be changed and when do you know it does? How often should the filament cutter be changed, I suspect it is when the filament doesn’t cut properly?

I have had my P2S for 3 months now, and to start off with was putting oil/grease on the screw and rods every fortnight or so, until I looked at the maintenance thing on the touchscreen, and it said “not required”, but can that be relied on to be correct?

I had to change the nozzle, at it got clogged and blocked with PETG, but that was my fault as I hadn’t dried it enough. Otherwise, I don’t think there is a real need to change it that often, or is there??

I know there is a lot of help on the Tech Assistant - I have used it for cold pulls, also for other maintenance tasks. But they don’t really give a frequency guide, as to how often something should be done. So it would be nice to hear what people think. I have seen YouTube stuff where they do maintenance once a week, and others say they have done nothing for a year or so! So very varied.

I just want to know Black and White (but I know it is probably a very grey area), is when to do something. things like;

Change nozzle wiper - every 3 months irrespective of condition

Replace Filament Cutter - every 3 months

Oil rods - every 4 weeks

Grease screws - every 4 weeks

That sort of thing. I think it would be a big help to all newbies like myself, and even the more seasoned print guys who’s machines have never gone wrong and never been maintained.

1 Like

The printer’s Health Management System (HMS) uses built-in print-hour counters to trigger reminders for X/Y-axis cleaning and Z-axis lead screw maintenance (lubrication). Once prompted, the screen will display a message and guide you to the procedures.

However, it is worth noting how these work in practice:

  • Time vs. Friction: The reminder is primarily usage-based (triggered by hours printed) rather than utilising actual sensors that can detect dirt or a lack of grease.
  • Periodic Menu Warnings: The printer may also list periodic maintenance tags in the settings menu. These are not necessarily saying your printer needs oil right now, but rather act as a quick-reference reminder that periodic maintenance is due.
  • Recommended Frequency: Under regular usage (1-5 hours a day), Bambu Lab generally recommends cleaning and lubricating the X/Y axes every 2 months, and the Z-axis every 4 months

The device is designed to tell you. It uses time of usage as a trigger. Unless you are doing things to it you shouldn’t, it is a good guide.

I replace nozzles when there is an obvious problem, such as you noted.

I oil and grease when prompted.

I haven’t changed the wiper or cutter.

My printers have 1,000 to 2,000+ hours of use.

Clean the build plate when you get adhesion issues, build plates are consumables, so those get swapped out periodically.

You have the right idea of concern, but don’t worry about swapping things out so soon. It is more resilient than that.

Ich habe meinen P2S jetzt seit Ende Januar und wurde ein mal zur Wartung aufgefordert. Die ich natürlich schon einen Tag früher gemacht hatte :wink:

Den Silikonabstreifer habe ich gestern gewechselt, weil ich das Gefühl hatte, der alte wäre zu weich geworden. Es blieben Filmentreste an der Nozzle.

This is exactly what I wanted, thanks so much!

1 Like

If it is solved, remember to mark the solving post as the solution.

1 Like