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Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 08-03-2019, 05:26 PM
Replies: 9
Views: 5,236
Posted By budm
Re: Lexmark 654dn power supply dead fans on part # 40x4355

Good eyes!
https://www.badcaps.net/forum/attachment.php?attachmentid=198120&d=1564777195
Time to recap as a set.
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 08-02-2019, 09:24 PM
Replies: 9
Views: 5,236
Posted By budm
Re: Lexmark 654dn power supply dead fans on part # 40x4355

ton of Lytics cap?
https://www.badcaps.net/forum/attachment.php?attachmentid=198122&d=1564777195
I see C501, C801, but the third one I cannot see in that picture.
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 08-02-2019, 06:11 PM
Replies: 9
Views: 5,236
Posted By budm
Re: Lexmark 654dn power supply dead fans on part # 40x4355

Bad caps may show no sign of bulging but they can have high ESR. It sounds like you have bad startup/running caps (typical small value 47 ~ 56 uF 50V) in the HOT side, they are for filtering the...
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