Badcaps Forums

Badcaps Forums (https://www.badcaps.net/forum/index.php)
-   Troubleshooting Power Supplies and Power Supply Design (https://www.badcaps.net/forum/forumdisplay.php?f=32)
-   -   Need some help with Epson Printer Power Supply C655 MAIN (https://www.badcaps.net/forum/showthread.php?t=102299)

sam_sam_sam 01-09-2022 01:25 PM

Re: Need some help with Epson Printer Power Supply C655 MAIN
 
Quote:

Originally Posted by UglyBetty (Post 1097445)
Just for the heck of it, I ordered some transistors to see if I can screw up this board even more! This should be fun! Stay tuned....

Oh now you want to see factory smoke come out of the device this should be fun to watch or hear about

Just in case things go horribly wrong can you still get a new switching power supply for this printer or do you have to buy a new printer

CapLeaker 01-09-2022 04:11 PM

Re: Need some help with Epson Printer Power Supply C655 MAIN
 
Check your printer head first for a short.

UglyBetty 01-09-2022 04:37 PM

Re: Need some help with Epson Printer Power Supply C655 MAIN
 
CapLeaker,
I traced the schematic back from the +42v connection to the printhead. I was not able to find a schematic for the printhead itself, but did determine which connection was the input for the +42v. I ohmed from that point to the remaining pins and did not find anything close to a short. Again, I'm wondering if the printhead was not still wet from the cleaning process when it stopped working. Now the head has time to dry out completely. All I can do it try it. Ya know? :rock:

Sam_sam_sam

The problem ended up not being in the power supply (the best I can tell). I'm not going to give up on this printer yet. Parts seem to be pretty cheap if your willing to wait for them from China, Japan or Taiwan. I have ordered a used, but good, main board and used but good printhead from a reputable dealer on ebay.

I also ordered two sets of transistors from another China seller on there. All of these parts cost me right at $100 shipped. To replace this printer would be $800-1,000 so I'm hedging my bets I can get it working.
There are several reasons. One I absolutely love this printer. It prints better than my fathers $5,000 Canon. Two, I have about $500 worth of genuine ink cartridges for this printer that I do not want to go to waste. IF it can be repaired, it's one less item to go into the land fill.
If I learn enough, I may buy up some other "non working" printers like this, repair them and make back the money I spent on this one.
Besides, I love to tinker. I am always working on something. It's just something I like to do. :duh:

UglyBetty 01-12-2022 07:11 PM

Re: Need some help with Epson Printer Power Supply C655 MAIN
 
Waiting on parts. When I get them, I'll update this thread more.
Estimated delivery date 1/21 - 2/4........

:bored: :bored: :bored:

netsecrets00 03-21-2022 04:44 AM

Re: Need some help with Epson Printer Power Supply C655 MAIN
 
Quote:

Originally Posted by UglyBetty (Post 1098374)
Waiting on parts. When I get them, I'll update this thread more.
Estimated delivery date 1/21 - 2/4........

:bored: :bored: :bored:

Any Updates ??

sam_sam_sam 03-21-2022 02:13 PM

Re: Need some help with Epson Printer Power Supply C655 MAIN
 
I second this any updates


All times are GMT -6. The time now is 06:34 PM.

Powered by vBulletin ®
Copyright ©2000 - 2022, Jelsoft Enterprises Ltd.