Did you check to be sure the carrier is grounded completely through the printing process? If the carrier is too short, it might be grounded when the leading portion of the pcb is printed, but not the bottom portion of the pcb. That is why I went from a 12 inch carrier to a 14 inch one.
Mark
-----Original Message-----
>From: "Matthew O'Gorman mog@... [Homebrew_PCBs]" <Homebrew_PCBs@yahoogroups.com>
>Sent: Mar 3, 2015 4:29 PM
>To: "Mark Lerman mlerman@... [Homebrew_PCBs]" <Homebrew_PCBs@yahoogroups.com>, Homebrew_PCBs@yahoogroups.com
>Subject: Re: [Homebrew_PCBs] DLP e260d uneven toner transfer
>
>"Mark Lerman mlerman@... [Homebrew_PCBs]"
><Homebrew_PCBs@yahoogroups.com> writes:
>
>> I am more inclined to think it's a grounding program. Make sure the
>> pcb is electrically connected to the carrier and that the carrier is
>> grounded during the actual printing. In my mod this is accomplished
>> through metal upper rollers and a 14 inch long carrier. I use copper
>> tape WITH CONDUCTIVE ADHESIVE to connect the pcb to the carrier. Note
>> that some copper tapes have insulated adhesive.
>>
>> Mark
>>
>Hi Mark and everyone else that responded.
>
>I am not sure what problem is. Here is the transfer to a bare carrier
>https://i.imgur.com/3VkKTgf.jpg and here is the transfer to my copper
>board https://imgur.com/ZYg4Po6
>
>I have checked with my meter and there is good continunity between the
>plate and the top of the pcb. before I ran it through the printer i
>cleaned and gave it quick acetone finish. I am using a toner cartridge
>that is near empty, but look how good the finish to the carrier is, it
>can't be that can it? I feel like I am so close to getting this
>working.
>
>Oh mark this is a hackjob still but
>https://github.com/mogorman/e260d_pcbfactory is a working version of
>your pseudocode for arduinos. It is what I am using currently as I had
>them laying around.
>--
>Matthew O'Gorman
>BM: BM-2D7WS1iu3wNo66sLVwd4CcZ5sBHbn8CYwR
>TorChat: 5w3dtk7nhkkijcpc
>Site: https://b.rldn.net
>Xim/Email: mog@...
>mog@rldn:~$ fortune wisdom -s|boxes
>/∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗/
>/∗ Reality is bad enough, why should I tell the truth? ∗/
>/∗ -- Patrick Sky ∗/
>/∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗/