[rescue] Tektronix printer

Kevin Loch kloch at gurunet.net
Thu Apr 15 16:30:36 CDT 2004

Ok, the problem isn't "cleaning" it's that a spring clutch
needs oil.

1. find clutch housing.  (pull out left side door on 740,
look at row of 6 plastic gears, clutch is attached to middle
gear. the clutch housing is a black plastic cylinder about 3/4" 
diameter. It has a plastic "disc" attached to the outside
end. This disk also has a 1/2" tab extending away from the gear.
The inside end is close to the gear.

2. Place a drop of wd-40 on the inside and outside edges
of the clutch housing, *without getting oil anywhere else*.
On the outside edge apply oil to between the clutch housing
and the disc at the end.

3. The clutch housing should rotate without rotating the disc
at the end.

I don't know if this applies to other models but it does the trick
with the Phaser 740.


mark at tqhosting.com wrote:
> Thanks Kevin, I'd really like to know what component I need to look at.. 
> I've tried taking variuos parts out but no luck yet.  thanks
> Mark
> On Thu, 15 Apr 2004, Kevin Loch wrote:
>>This sounds just like the problem with our 740.  There
>>is a component that needs to be cleaned to make
>>it work again.  I'll see if I can track down the details.
>>Mark Price wrote:
>>>Does anyone here know a lot about these beasts?
>>>I rescued a Tektronix Phaser 550.  It looks like a nice sturdy color 
>>>laser but is giving me some problems.  When I send a print job, it will 
>>>warm up, then start making clunking noises (sounds like knocking on 
>>>wood) then sometimes it will "Jam at A".  When it jams, the paper has 
>>>come half way out of the tray and started going through the rollers, but 
>>>there is no jam or wrinkled paper..
>>>any ideas or printer troubleshooting links would be appreciated.. I've 
>>>been googling
>>>rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
>>rescue list - http://www.sunhelp.org/mailman/listinfo/rescue

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