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New non-turning magenta developing unit.
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Power User
Picture of blackcat4866
Posted
Now I'm spooked.

After all the developing units I've installed in Voyagers, this is the first one that wouldn't turn. I'd just finish an A & B PM, and powered On. One of the motors was distinctly unhappy, and I had it shut back down in 3 seconds.

I opened the door, and entered service mode, then U030, and it was definitely the color developing motor. After another 3 seconds it had finished chewing up two stage gear 54/26 in the main drive pack and was spinning free.

The magenta developing unit may have been stored on end maybe, at any rate it did free up with the developer drive tool. Just a little too late though.

The main drive pack was a pleasure to remove as you can imagine. The two stage gear (fig 16, item 24, 302FA31401) was easy enough to change. One other gear showed wear, the bore was ovalled out on gear Z50 (fig 16, item 20, 302FZ31360) and I would have changed it if my magic parts wand had been working right then.

Has anyone seen this? Now I have to hand turn every developing unit, just to be sure it's not seized. =^..^=


=^..^=
 
Posts: 822 | Location: Michigan | Registered: April 04, 2008Reply With QuoteReport This Post
Senior Member
Picture of Jules Winfield
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Wow, that's a bummer. I had this sort of thing happen with non-OEM Konica Minolta imaging units, but never with a genuine Kyocera dev unit. I guess I'll have to be doubly vigilant the next time I have to replace one of these.


But I'm trying, Ringo. I'm trying real hard... to be the Shepherd.

 
Posts: 288 | Location: Vallejo, CA | Registered: December 09, 2003Reply With QuoteReport This Post
Power User
Picture of Gazoo
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Had it many times. Just had a PM last week with 2 new dv units that were locked up. You guessed it, a pm turned into a major mess, having to now repair the drive unit. Now we hand turn all dv units before installing. What dev drive tool are you talking about?
 
Posts: 681 | Location: N.W. Indiana/Chicago | Registered: August 29, 2007Reply With QuoteReport This Post
Power User
Picture of blackcat4866
Posted Hide Post
I've been making drive tools like this for years. All the way back to the Mita DC-131 which (when full of developer) was just too hard to turn without some sort of handle to grip. Mita made a handle that fit over the drive gear for the DC-131, and I took the idea from there. I still have it, by the way.

I've probably got hundreds of these drive tools around, for every conceivable model or unit. For exanple, Sharp made it especially easy since every developing unit for 10 years uses basically the same drive coupler. There are only a few variations for Sharp.

Here's how it works:
Order up the mating gear on the drive pack for whatever you want to hand drive. Or scavenge what you need from a broken drive pack or the copier graveyard. Find a metal feed shaft that mates to the coupler, or customize the metal shaft to fit. Find a fuser drive handle with a nice grip. Epoxy, or drill & roll pin the three pieces together.

The Voyager developer coupler is especially easy since it mates with itself. So before you throw away that old (not seized) developing unit, scavenge the white coupler off the back. Since the developer shaft sticks through the coupler a little on the developing side, your drive handle will have to be slightly recessed to acommodate it. Handles are easy enough to come by. I was around for the fuser modifications on the Ricoh AF350, which changed the press roller shaft and the associated fuser knob. So I've got a pile of the old Ricoh fuser knobs lying about.

Am I the only person who has been making drive handles?

This message has been edited. Last edited by: blackcat4866,


=^..^=
 
Posts: 822 | Location: Michigan | Registered: April 04, 2008Reply With QuoteReport This Post



Full Member
Posted Hide Post
quote:
Originally posted by blackcat4866:
I've been making drive tools like this for years. All the way back to the Mita DC-131 which (when full of developer) was just too hard to turn without some sort of handle to grip. Mita made a handle that fit over the drive gear for the DC-131, and I took the idea from there. I still have it, by the way.

I've probably got hundreds of these drive tools around, for every conceivable model or unit. For exanple, Sharp made it especially easy since every developing unit for 10 years uses basically the same drive coupler. There are only a few variations for Sharp.

Here's how it works:
Order up the mating gear on the drive pack for whatever you want to hand drive. Or scavenge what you need from a broken drive pack or the copier graveyard. Find a metal feed shaft that mates to the coupler, or customize the metal shaft to fit. Find a fuser drive handle with a nice grip. Epoxy, or drill & roll pin the three pieces together.

The Voyager developer coupler is especially easy since it mates with itself. So before you throw away that old (not seized) developing unit, scavenge the white coupler off the back. Since the developer shaft sticks through the coupler a little on the developing side, your drive handle will have to be slightly recessed to acommodate it. Handles are easy enough to come by. I was around for the fuser modifications on the Ricoh AF350, which changed the press roller shaft and the associated fuser knob. So I've got a pile of the old Ricoh fuser knobs lying about.

Am I the only person who has been making drive handles?


Nope! I still have mine from the 131 as well as others; one of those good ideas worth re-using!
 
Posts: 124 | Registered: January 03, 2003Reply With QuoteReport This Post
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