Ricoh Aficio mp6001, Toner Supply Problem

**tullio** · 05-24-2016

Ricoh Aficio MP6001, Toner Supply Problem

Ricoh Aficio MP6001, Low density Copies (lights Copies)

Problem: Toner Supply doesn’t work

Task realized:
1- Developer Unit and developer Changed
2- Toner supply unit on top of developer unit changed
3- Toner Hooper Changed
4- Drum Unit, Drum, Charge Corona Unit
5- Developer/toner supply Motor Changed
6- Transfer Unit Changed
7- High Voltage power pack ( Drum and Corona ) changed

Test:
Making forced toner supply on the SP mode, doesn’t work ( toner is not supply on the developer )
I make a force toner supply manually opening the developer unit and the copies became dark ( Perfect copies ), for son reason the machine is no supplying toner automatically

Can someone Help me

**Tonerbomb** · 05-25-2016

bad toner supply clutch. it's part of the developer drive unit...................

**Flavio.cardoso** · 05-25-2016

Originally Posted by Tonerbomb

bad toner supply clutch. it's part of the developer drive unit...................

Hi.

**slimslob** · 05-25-2016

Visually check that there is toner in the toner hopper. If not, use output checks to run the toner bottle motor and check that the bottle rotates. If it rotates but no toner goes into the hopper, there is a problem with ether the toner throttle or the toner chuck is not opening the inner valve of the bottle. I have had the metal guides that open and close the chuck become deformed and have the chuck not open the bottle.

**Polo-022** · 05-25-2016

When "toner is not supplied automatically" the toner empty sensor must be replaced.
My 2 cents....

**tullio** · 05-25-2016

sensor td ?
sensor td ?sensor td ?

**Mark Bbb** · 05-25-2016

Hi,
Light copies after all these replacements.
Did you follow exactly the procedure of the service manual?
I bet you didn't...

hmm?

**slimslob** · 05-25-2016

Originally Posted by Polo-022

When "toner is not supplied automatically" the toner empty sensor must be replaced.
My 2 cents....

Did you read what he has already replaced? The sensor is part of the complete toner supply unit.

**slimslob** · 05-25-2016

Originally Posted by tullio

sensor td ?
sensor td ?sensor td ?

I believe that he was referring to the sensor on the side of the toner supply unit that detects whether there is toner in the supply unit and if not then the toner bottle motor is turned.

Just thought of one thing to check, I have occasionally encountered cases where the toner supply sensor is not properly plugged in to the machine. It is one of the 2 cables you have to unplug to remove the development unit and is easy to not plug in properly, voice of experience.