Middle marks in MPC2050

[orientalsniper]

I've got an issue with the printer printing wheel-like marks. I attached a photo so you can see better.

[Phil B.]

Re: Middle marks in MPC2050

I've got an issue with the printer printing wheel-like marks. I attached a photo so you can see better.

with it displaying multi-colors it would lead me to check the ITB cleaning unit.

what is the life count on the ITB and cleaning unit?

are the using Genuine OEM toners?

[orientalsniper]

Re: Middle marks in MPC2050

with it displaying multi-colors it would lead me to check the ITB cleaning unit.

what is the life count on the ITB and cleaning unit?

are the using Genuine OEM toners?

Thanks for assisting me.

Yeah, I'm using only genuine toners.

How do I check the lifecount of the ITB?

[Phil B.]

Re: Middle marks in MPC2050

Thanks for assisting me.

Yeah, I'm using only genuine toners.

How do I check the lifecount of the ITB?

look in service manual.... SMC report

are you a trained tech?

do you have the manual?

[slimslob]

Re: Middle marks in MPC2050

Those marks are part of what is applied to the ITB during auto process control. The ones parallel to the edge are used to calculate line position in the direction of paper travel. The diagonal ones are used to calculate line position across the direction. Both are used to calculate color quality of each PCDU. The ITB cleaning unit is under a door help closed by 2 screws on the left end of the C2050. It sets on top of one of the waste toner bottles and is held to the ITB assembly by 2 long screws.

[orientalsniper]

Re: Middle marks in MPC2050

Those marks are part of what is applied to the ITB during auto process control. The ones parallel to the edge are used to calculate line position in the direction of paper travel. The diagonal ones are used to calculate line position across the direction. Both are used to calculate color quality of each PCDU. The ITB cleaning unit is under a door help closed by 2 screws on the left end of the C2050. It sets on top of one of the waste toner bottles and is held to the ITB assembly by 2 long screws.

Thank you, your instruction was so clear and direct.

I emptied the toner bottle and I cleaned the rolling brush (it was dark), I assume that's the ITB cleaning unit? I will do some testing (printing) these days and let you know if that solved it, thanks again.

[TonerMunkeh]

Re: Middle marks in MPC2050

The ITB cleaning unit lives on the left side of the machine behind a cover with two screws. It being full can cause problems like this.

[GIUBOSS]

Re: Middle marks in MPC2050

Thank you, your instruction was so clear and direct.

I emptied the toner bottle and I cleaned the rolling brush (it was dark), I assume that's the ITB cleaning unit? I will do some testing (printing) these days and let you know if that solved it, thanks again.

better to replace than to clean, if too old it can damage the transfer belt (more expensive): D1056036
CLEANING UNIT: INTERMEDIATE TRANSFER: SERVICE: Ass'y

[Zaxxon]

Re: Middle marks in MPC2050

Replace the entire machine, this is a very old box.

[mga]

Re: Middle marks in MPC2050

with it displaying multi-colors it would lead me to check the ITB cleaning unit.

what is the life count on the ITB and cleaning unit?

are the using Genuine OEM toners?

+1 there's your problem

[mga]

Re: Middle marks in MPC2050

better to replace than to clean, if too old it can damage the transfer belt (more expensive): D1056036
CLEANING UNIT: INTERMEDIATE TRANSFER: SERVICE: Ass'y

+1 that's what I would do replace.

[Klydon]

Re: Middle marks in MPC2050

Thank you, your instruction was so clear and direct.

I emptied the toner bottle and I cleaned the rolling brush (it was dark), I assume that's the ITB cleaning unit? I will do some testing (printing) these days and let you know if that solved it, thanks again.

Bit late to this one, but I used to work on a pile of these.

The other guys are pretty much all over it, but replacing the ITB cleaning unit is the correct answer.

Cleaning the ITB cleaning unit is a very short term fix at best and the customer will likely call back soon. Both the brush and the blade are worn. Often you can get away with running parts past their indicated PM cycle, but a lot depends on the customer usage pattern. This is not a unit you can typically get away with that on, especially if the customer is running a lot of fill on their color prints along with a good volume of color prints.

[slimslob]

Re: Middle marks in MPC2050

Bit late to this one, but I used to work on a pile of these.

The other guys are pretty much all over it, but replacing the ITB cleaning unit is the correct answer.

Cleaning the ITB cleaning unit is a very short term fix at best and the customer will likely call back soon. Both the brush and the blade are worn. Often you can get away with running parts past their indicated PM cycle, but a lot depends on the customer usage pattern. This is not a unit you can typically get away with that on, especially if the customer is running a lot of fill on their color prints along with a good volume of color prints.

Not necessarily true. Replacement should be done according to the maintenance counters. According the Product Support Guide the yield of the Intermediate transfer cleaning unit (w/o waste toner tank) is 180k, but the waste toner tank yield is 60k. The last I checked the parts catalog they are not sold separately. That tells me Ricoh expects you to have to empty the tank.

[Klydon]

Re: Middle marks in MPC2050

Not necessarily true. Replacement should be done according to the maintenance counters. According the Product Support Guide the yield of the Intermediate transfer cleaning unit (w/o waste toner tank) is 180k, but the waste toner tank yield is 60k. The last I checked the parts catalog they are not sold separately. That tells me Ricoh expects you to have to empty the tank.

I agree. I have dumped the tank repeatedly and on machines that run a lot of black and white along with little color fill can expect to get more than what the PM count would indicate. However, once you see the pattern like that, cleaning the cleaning unit itself is a temp fix and likely won't last long by my experience. I have tried in the past and it hasn't gone well.

[luca72]

Re: Middle marks in MPC2050

I've got an issue with the printer printing wheel-like marks. I attached a photo so you can see better.

waste toner bottle 2