This machine began presenting 5102 5103, etc. codes a few weeks ago. Magenta was first. A new dev. unit and drum fixed it. 2 weeks ago it began with cyan. A new drum and dev. unit did NOT fix the code. Black and yellow are ok..Hopefully, you can see the attached image and offer input..thanks
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Re: Taskalfa 250ci 5000 toner codes and cyan pattern.
If I've done my math correctly the interval of repetition is 94.6mm. Unfortunately, that is a drum interval (96mm), or close enough.
I think I'd swap the magenta and cyan drum units.
If the artifact stays cyan, I'd clean the drum shaft, and lubricate the coupler and contacting surfaces with light oil. It might also be a bad drum motor. You can also swap the magenta and cyan drum motors, to help diagnose this.
If the artifact turns magenta, it's a drum unit issue. =^..^=If you'd like a serious answer to your request:
1) demonstrate that you've read the manual
2) demonstrate that you made some attempt to fix it.
3) if you're going to ask about jams include the jam code.
4) if you're going to ask about an error code include the error code.
5) You are the person onsite. Only you can make observations.
blackcat: Master Of The Obvious =^..^= -
Re: Taskalfa 250ci 5000 toner codes and cyan pattern.
Well. drums are new. The whole gear pack drive assembly w/motors are new. It's coming into the shop tomorrow for surgery. I'll report back, post op.Comment
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Re: Taskalfa 250ci 5000 toner codes and cyan pattern.
agree
with Mr.blackcat i would like to add some thing also check H.V unitComment
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Re: Taskalfa 250ci 5000 toner codes and cyan pattern.
It would also be interesting to know what you did to initially diagnose the magenta problem. Did you removed any circuit boards, etc? Remember: If you have a broken machine, first find out the last thing the customer did. If that doesn't answer your question, find out the last thing the technician did!
I have unfortunately caught myself on more than one occasion creating more problems by re-installing something wrong, or bending a pin over when removing or installing a circuit board. It is always a good idea to re-trace your steps, especially if you have done a great deal of disassembly.I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up - Mark TwainComment
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Re: Taskalfa 250ci 5000 toner codes and cyan pattern.
UPDATE:: The cyan banding was fixed by replacing the brown toner control board on front side of machine. However, now we have good solid fill on black, good solid fill on yellow, and too lite cyan and magenta. They fill in well only about an inch or so @ lead edge, then fade considerably. Only these 2 colors. I will try to post image tomorrow. I still have field calls and can only focus on this periodically. This copier now has a new main gear assembly, new drum motors, new hvt, new drums and dev. units and transfer belt.Comment
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Re: Taskalfa 250ci 5000 toner codes and cyan pattern.
Along the same lines as Metalvoc, perhaps one of your efforts to repair the problem caused this. Specifically, I'd trace out the drum and developing motor wiring. I recall a case when I accidentally pinched a motor lead to ground (at the upper corner of the main drive pack, toward the MPT side). The motor ran, but slower than desired, and was very easy to stall. =^..^=If you'd like a serious answer to your request:
1) demonstrate that you've read the manual
2) demonstrate that you made some attempt to fix it.
3) if you're going to ask about jams include the jam code.
4) if you're going to ask about an error code include the error code.
5) You are the person onsite. Only you can make observations.
blackcat: Master Of The Obvious =^..^=Comment
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Re: Taskalfa 250ci 5000 toner codes and cyan pattern.
Picture 006.jpgsamples of new symptomPicture 005.jpgComment
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Re: Taskalfa 250ci 5000 toner codes and cyan pattern.
Pull out the developing units you replaced and check the filters that you have to install on top of the new units. I had a similar issue when I replaced a yellow DV unit. Y,C,&M were all smeared because I didn't put the filter in properly, and it was pushing the transfer belt up. So pull the filter assembly out of each DV you replaced (probably the Cyan filter, if this is the issue) and when you re-install it, go slow, and make sure the white filter is fully within the housing, and does not get pinched. Make sure the black filter assembly clips in place, and is seated fully. Hope this helps!I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up - Mark TwainComment
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Re: Taskalfa 250ci 5000 toner codes and cyan pattern.
FINAL POST OP REPORT:: The original symptom of cyan banding stopped immediately upon replacing the toner control pcb (front of copier where color devs and drums connect..
The lite C and M prints were cured by reseating the smal clip like contacts on hvt. at dev. unit contact.. WHEW..Comment
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Re: Taskalfa 250ci 5000 toner codes and cyan pattern.
Congratulations! The springy contacts on the transfer HVT can be dislodged also if you get too energetic, when installing the transfer belt assembly. It adds a good 1 1/2 hours to an already long service call.
Again congratulations. =^..^=If you'd like a serious answer to your request:
1) demonstrate that you've read the manual
2) demonstrate that you made some attempt to fix it.
3) if you're going to ask about jams include the jam code.
4) if you're going to ask about an error code include the error code.
5) You are the person onsite. Only you can make observations.
blackcat: Master Of The Obvious =^..^=Comment
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Re: Taskalfa 250ci 5000 toner codes and cyan pattern.
Glad to hear its working for you, and thanks for the updated info!I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up - Mark TwainComment
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