Search found 14 matches

by myying
Fri May 15, 2020 5:15 am
Forum: 3DP printing
Topic: Hacking the HP45
Replies: 609
Views: 410175

Re: Hacking the HP45

Hi The attached picture is took from HP DJ9xx printer, which there are functions for components. DIY users might find print-heads would be easily broken. HP would turn print-head module power supply off as non-printing, it's not always turn-on. Used, HP would check printhead connecting by current se...
by myying
Fri Apr 10, 2020 11:09 am
Forum: 3DP printing
Topic: Hacking the HP45
Replies: 609
Views: 410175

Re: Hacking the HP45

I still want to really try the L6452. I do however still have a few objections with the L6452 that have stopped me from completely stopping what I am doing so far and use the L6452. Limited availability. Only Mouser sells them in small quantities and I don't know if they restock. Unknowns in the da...
by myying
Wed Mar 25, 2020 4:48 am
Forum: 3DP printing
Topic: New project powder 3D printer ZEUS
Replies: 42
Views: 20640

Re: New project powder 3D printer ZEUS

Hi
There were quality issues of spreading powder.
Could one give idea to find them, to prevent and fix them?
by myying
Sat Mar 21, 2020 3:49 am
Forum: 3DP printing
Topic: New project powder 3D printer ZEUS
Replies: 42
Views: 20640

Re: New project powder 3D printer ZEUS

Hello here I drew protection for the portal everything seemed fine and went on to draw the next modules when I decided to put the working area and see the movement, I realized that I had not looked so much before it can happen to anyone :D maybe someone has some ideas? how can I fix this so as not ...
by myying
Mon Mar 02, 2020 8:35 am
Forum: 3DP printing
Topic: New project powder 3D printer ZEUS
Replies: 42
Views: 20640

Re: New project powder 3D printer ZEUS

Hi MAsic12345

Here is HP MJF 4200 structure, Hope it useful.
by myying
Mon Mar 02, 2020 8:30 am
Forum: 3DP printing
Topic: New project powder 3D printer ZEUS
Replies: 42
Views: 20640

Re: New project powder 3D printer ZEUS

Hi myying can use the type of film strip to move the portal but need a reliable encoder to move the carriage it is difficult to protect the place where the carriage with heads moves Hi MAsic12345 You could find encoder from any HP MFP, printer, or reach to Broadcom sales. (Broadcom merged HP's IC c...
by myying
Sun Mar 01, 2020 9:24 am
Forum: 3DP printing
Topic: New project powder 3D printer ZEUS
Replies: 42
Views: 20640

Re: New project powder 3D printer ZEUS

Hi dragonator Rummaged yesterday in the intern and found good encoders with a different class of accuracy based on magnetic tape yes they are used in machine tools and they have good protection https://www.rls.si/en/products/linear-magnetic-encoders/incremental-encoders x5KxpLtxk58 dragonator I wil...
by myying
Sun Feb 09, 2020 10:47 am
Forum: 3DP printing
Topic: New project powder 3D printer ZEUS
Replies: 42
Views: 20640

Re: New project powder 3D printer ZEUS

Hi myying Please ref. HP 3DP 4200 idea. 1 how dangerous is my design 2 how important is it to consider the attention of host protection? 3 well with the portal (print) there is a solution and what can be done with the portal (Rolling powder)? Hi MAsic12345 Hope your design is pleased the marketing ...
by myying
Sun Feb 09, 2020 3:11 am
Forum: 3DP printing
Topic: New project powder 3D printer ZEUS
Replies: 42
Views: 20640

Re: New project powder 3D printer ZEUS

myying for carriage movement (left to right) chose encoder linear to move the portal (in front to back) I thought to put a linear encoder too I was thinking about dust protection but did not attach much importance, I will think about it (already even the ildei appeared) I put 2 stepper motors on th...
by myying
Fri Feb 07, 2020 9:13 am
Forum: 3DP printing
Topic: Hacking cartridge HP 84/85
Replies: 162
Views: 74553

Re: Hacking cartridge HP 84/85

Hi A HP applied patent US 20050088473A1 mentioned the ink drop weight relation with temperature. The fire duration and supplied voltage are “not” both fixed data for HP pen(HP like use it.) HP has a named TTOE(thermal turn on energy) calibration technology which lists in US5418558、 US5428376、US54283...