Search found 116 matches

by MAsic12345
Sat Sep 08, 2018 6:08 pm
Forum: 3DP printing
Topic: Hacking cartridge HP 84/85
Replies: 162
Views: 385758

Re: Hacking cartridge HP 84/85

Wonko how to watch the analog range?
by MAsic12345
Thu Sep 06, 2018 8:01 pm
Forum: 3DP printing
Topic: Hacking cartridge HP 84/85
Replies: 162
Views: 385758

Re: Hacking cartridge HP 84/85

I would recommend that you look at all the signals with an analog scope as well

why do you think that this can be analog?
by MAsic12345
Thu Sep 06, 2018 7:58 pm
Forum: 3DP printing
Topic: Hacking cartridge HP 84/85
Replies: 162
Views: 385758

Re: Hacking cartridge HP 84/85

closer
by MAsic12345
Thu Sep 06, 2018 7:57 pm
Forum: 3DP printing
Topic: Hacking cartridge HP 84/85
Replies: 162
Views: 385758

Re: Hacking cartridge HP 84/85

I made a more detailed digital sample and it covered the whole time of the whole printing I'm sure that 9 and 13 are responsible for the left and right row of nozzles One can see on the oscillograph the ninth terminates faster than the thirteenth this is the same oscillogram with each photo scale in...
by MAsic12345
Thu Sep 06, 2018 7:45 pm
Forum: 3DP printing
Topic: Hacking cartridge HP 84/85
Replies: 162
Views: 385758

Re: Hacking cartridge HP 84/85

Here is more detailed measured and checked
previous ignore there many mistakes made
I checked the file again and corrected errors
by MAsic12345
Mon Sep 03, 2018 5:12 pm
Forum: 3DP printing
Topic: Hacking cartridge HP 84/85
Replies: 162
Views: 385758

Re: Hacking cartridge HP 84/85

Is it possible that 9 and 13 are responsible for the right and left nozzles, and not to the top and bottom? you said (I suspect that the gap in 3 columns is more than 4 mm) what did you mean what do the trigger contacts do or where I can read about it? but the photos of the logical analyzer of the n...
by MAsic12345
Mon Sep 03, 2018 4:45 pm
Forum: 3DP printing
Topic: Hacking cartridge HP 84/85
Replies: 162
Views: 385758

Re: Hacking cartridge HP 84/85

perhaps the speed of the shield of the analyzer was small and therefore the clock did not catch
by MAsic12345
Sat Sep 01, 2018 7:23 pm
Forum: 3DP printing
Topic: Hacking cartridge HP 84/85
Replies: 162
Views: 385758

Re: Hacking cartridge HP 84/85

Here's how the cartridge divides the nozzles into print
I pulled out the cable from the outlet
the printer prints a black square