Search found 7 matches

by picoj
Thu Mar 28, 2024 9:40 pm
Forum: 3DP printing
Topic: Ricoh printheads
Replies: 16
Views: 47568

Re: Ricoh printheads

Sorry it's been a while, I am still working on this. I have managed to get basic printing working enough to print some test patterns. I am currently working on the FPGA system for taking images and then sending them to the printhead etc. This project was significantly more complicated than I initial...
by picoj
Sun Nov 19, 2023 7:59 am
Forum: 3DP printing
Topic: Ricoh printheads
Replies: 16
Views: 47568

Re: Ricoh printheads

Yes I suppose the feedback mechanism sort of depends on your motion system. With stepper motors you always know pretty much where you are any any time within the mechanical limits of your setup. The motion control system of my linear motor is somewhat limited. I just command it to go to a position a...
by picoj
Thu Nov 09, 2023 2:32 am
Forum: 3DP printing
Topic: Ricoh printheads
Replies: 16
Views: 47568

Re: Ricoh printheads

Yeah it's definitely a bit pricey for hobbyists but still can save a lot of time if you have the budget. I figure also it might save me going though one or two printheads during development so that's another factor though used and junk printheads are a lot cheaper than new. I'm just very time poor t...
by picoj
Sat Nov 04, 2023 5:45 am
Forum: 3DP printing
Topic: Ricoh printheads
Replies: 16
Views: 47568

Re: Ricoh printheads

A quick update on my project. My fluid handling system is on it's way to me but i'm having some issues with the shipping because apparently it has some fluids still in it. Unfortunately I organised the shipping myself separately. I think it will need to be returned to the manufacturer and drained. I...
by picoj
Sat Nov 04, 2023 5:12 am
Forum: 3DP printing
Topic: Ricoh printheads
Replies: 16
Views: 47568

Re: Ricoh printheads

Hi Chacha, I'm not sure about the electrical interface of the XAAR1002/3 or your electronics to drive it but I can make one suggestion which may be of use Previously I made a single nozzle drop on demand system using a stainless piezo disc and a 3D printed housing. To drive it I used a power amplifi...
by picoj
Tue Oct 31, 2023 4:59 am
Forum: 3DP printing
Topic: Ricoh printheads
Replies: 16
Views: 47568

Re: Ricoh printheads

I've been researching ink handling equipment for use in full recirculation and ended up buying a complete system from a supplier on Alibaba. I got a dual (inlet and outlet) pressure regulation system as well as a all the tanks and pumps needed etc. I was planning on making this myself for testing ju...
by picoj
Sat Oct 28, 2023 11:28 pm
Forum: 3DP printing
Topic: Ricoh printheads
Replies: 16
Views: 47568

Ricoh printheads

Hi everyone, I was wondering if anyone had any experience with Ricoh printheads. I have recently become obsessed with nozzle level recirculation and am on a mission to drive their printheads myself or at least have full control over one include drive waveform. I'm thinking about the MH2910F to begin...