Question about Koss KS4192 System
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Posted on Jan 02, 2017
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Sep 28, 2015 | JBL Audio Players & Recorders
Oct 07, 2017 | Audio Players & Recorders
hi. I had the same problem and to fix it you need to take printers right-side cover off. Underneath you'll find a Power Supply Board - hidden under metal cover. Take it out and disconnect two cables from it. Now, I had to replace an fuse 125V 4A and varistor E241AD 83P on the Power Supply Board in mine HL-2140. It works fine now.
Note: I could not find the exact replacements in electronic store so I used:
- fuse: 250V 4A
- varistor: FNR 10K241 (241 is the important number)
Hope it helps.
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