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| Author | I just picked up a StyleWriter 2400 in the box (Read 119210 times) | ||||||||||||||||||||||||||||||||||
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ShinobiKenobi
256 MB  Posts: 362 System 7 fan 
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on: September 07, 2025, 07:35
Someone recycled an Apple StyleWriter 2400 in the styrofoam, in the original box, so I took it home and plugged it in to try it. It turns on for a second or two and then turns off. It makes a very high pitch sound when the power is plugged in, even when it's off. I remember reading long ago somewhere that it could be a bad power transistor. But to make sure, I looked up the symptom, and one source said it could be a filter capacitor. Another source said it could be caused by "coil whine". When I get time, I'll open it up and look inside. It would be nice to fix it and actually be able to use it. Or at least try it. |
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Last Edit: September 07, 2025, 07:48 by ShinobiKenobi
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cballero
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1024 MB Posts: 1176 System 7, today and forever
Reply #1 on: September 07, 2025, 19:17
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Nice find! As with most consumer products, sadly the parts, and for printers specifically, the ink and toner cartridges are the hard items to find to fix and use them. I too have a very nice personal laserwriter 300 that's not running either 
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ShinobiKenobi
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256 MB Posts: 362 System 7 fan
Reply #2 on: September 07, 2025, 21:40
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Thanks! Sorry to hear of your dead LaserWriter. Hopefully it can be fixed. I found Canon BCI-21 ink cartridges in it. I had trouble finding genuine Canon carts, but I found several off brand carts. I dunno how trustworthy the websites were, though.
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Bolkonskij
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Administrator 1024 MB  Posts: 2023
Reply #3 on: September 08, 2025, 11:30
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From my experience, everything connected to high pitch sound usually points into the direction of power management. I had a LC III with a PSU soon-to-be-dead that started doing the exact same sound. I suppose printers need their recap just as computers do.
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68040
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512 MB Posts: 950 68k - thy kingdom come, thy will be done !
Reply #4 on: September 08, 2025, 13:28
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Actually, there is an entire vintage industry dedicated to providing spare parts for such vintage devices. May I suggest LegacyAI to hunt for suppliers of the same?
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cballero
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1024 MB Posts: 1176 System 7, today and forever
Reply #5 on: September 08, 2025, 20:05
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Oh! That’s awesome to know, m68k! I’ll definitely check it out! 
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68040
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512 MB Posts: 950 68k - thy kingdom come, thy will be done !
Reply #6 on: September 08, 2025, 22:18
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I use AI nowadays for almost more, than I do google.. Medium to long term most of those search platforms will be reduced to almost meaningless, by AI systems. That's the way technology goes. It turns everything upside down, every couple of years now.
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ShinobiKenobi
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256 MB Posts: 362 System 7 fan
Reply #7 on: September 09, 2025, 04:04
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I just took out the power supply. It was tricky taking the plastic case apart. With only the power supply, I plugged it into the power cord and confirmed it was the PSU, since it made the sound. I don't know how to troubleshoot or repair electronics very well, so I don't know if it's a transformer or a transistor, or capacitors. I'm going to replace the caps and see if that fixes it.
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68040
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512 MB Posts: 950 68k - thy kingdom come, thy will be done !
Reply #8 on: September 09, 2025, 13:40
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If you can get your hands on an ohm-meter you could start by checking the resistors. Also, if you can locate the exact part that makes the "humming noise" it might help you to further narrow it down.
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