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Scroll wheel fix or replacement?

post #1 of 5
Thread Starter 
After around 5 years the scroll wheel in my Ikari Optical started to misbehave: every once in a while when scrolling in one direction (up or down) it will by itself scroll slightly in the opposite direction.
It's not a physical movement, the wheel itself stays put, but the result is as if I actually moved the wheel back up/down a bit.

It's a somewhat common problem with scroll wheels, mostly after some use, but I even saw it on some new Logitech mice (MX518, G400...) back in the days.


What I want to know is: is this, for used mice, just something that can be fixed by cleaning out dust/hair, or does the wheel encoder need to be replaced? (I'll be replacing the main button switches anyway.)
I opened the mouse and there's not much info on the encoder, it just says ALPS and there's a Q below it.
Edited by early - 7/11/16 at 5:22am
post #2 of 5
Did you clean the dust/hair out of it? I don't see how the encoder could go bad unless it got misaligned due to wear or something.
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CPUMotherboardGraphicsRAM
i7 930 @ 3.6 Gigabyte x58a ud3r Gigabyte GV-R6870C-1GD Mushkin Redline 
Hard DriveOptical DriveMonitorKeyboard
2x 1TB Spinpoint samsung dvd burner Samsung p2370 + Mitsubishi Diamond Pro 930SB WASD keyboards v1 semi custom w/ cherry browns 
PowerCaseMouse
Antec CP-850 Antec P183 CM Storm Spawn 
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1
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 @ 3.6 Gigabyte x58a ud3r Gigabyte GV-R6870C-1GD Mushkin Redline 
Hard DriveOptical DriveMonitorKeyboard
2x 1TB Spinpoint samsung dvd burner Samsung p2370 + Mitsubishi Diamond Pro 930SB WASD keyboards v1 semi custom w/ cherry browns 
PowerCaseMouse
Antec CP-850 Antec P183 CM Storm Spawn 
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post #3 of 5
Thread Starter 
Hm, maybe you're right. I cleaned it up as much as I could from the outside, blew inside and sprayed some contacts spray. Then I tried to make it malfunction for a few minutes, but it's been flawless so far.
post #4 of 5
Wait, is it an optical or mechanical encoder? I've only seen optical encoders on scroll wheels, but ALPS seems to mostly make mechanical rotary encoders, you can probably find an exact replacement on mouser.
Edited by TranquilTempest - 7/11/16 at 2:22pm
1
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 @ 3.6 Gigabyte x58a ud3r Gigabyte GV-R6870C-1GD Mushkin Redline 
Hard DriveOptical DriveMonitorKeyboard
2x 1TB Spinpoint samsung dvd burner Samsung p2370 + Mitsubishi Diamond Pro 930SB WASD keyboards v1 semi custom w/ cherry browns 
PowerCaseMouse
Antec CP-850 Antec P183 CM Storm Spawn 
  hide details  
Reply
1
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 @ 3.6 Gigabyte x58a ud3r Gigabyte GV-R6870C-1GD Mushkin Redline 
Hard DriveOptical DriveMonitorKeyboard
2x 1TB Spinpoint samsung dvd burner Samsung p2370 + Mitsubishi Diamond Pro 930SB WASD keyboards v1 semi custom w/ cherry browns 
PowerCaseMouse
Antec CP-850 Antec P183 CM Storm Spawn 
  hide details  
Reply
post #5 of 5
Thread Starter 
It's a mechanical encoder. And BTW the mount height is 9mm, so something like this (EC10E) should fit.

Anyway, I probably won't need to replace it, since it worked fine after a bit of cleaning. But I'll confirm this in a few weeks when I put the mouse back together and start to use it regularly (waiting for switch replacements right now).
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