I am currently working on a Bizhub 501 with a C-2403 error code. I have removed the toner bottle assembly and have vacuumed out the toner bottle phase sensor and the entire assembly. I ran 75 copies out of the mfp and thought I was done, when I was with the customer the mfp started to beep, then the error C-2403 magically appeared back on the screen. I have read a lot of posts on this particular issue and have seen where tecs have replaced the ps28 sensor ( toner bottle phase sensor), installed a new indexing ring (50ge33152f) and still have had the C-2403 error reappear. I also read where tecs have modified the springs on the toner lock door ( which I have not attempted yet). I have two questions 1.) Is there a part number for the ps28 sensor and do I need to replace it? 2.) Is there a cut and dry solution to resolve this issue?
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Re: Bizhub 501 C-2403 error code
Hello there..
I had the same problem with the same model a year ago and i replaced the sensor and all that...no help then I replaced the drum, starter and the fixunit and everything work just fine.
hope this will help
Cheers
David -
Re: Bizhub 501 C-2403 error code
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Paul@justmanuals.comComment
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Re: Bizhub 501 C-2403 error code
Unfortunately, there is no cure for that problem.. It is a design defect. But, usually in your case where you vacuum and code returns, you should replace the ps28 and ps4. They're both right there and you have to take half the machine apart to get to that unit anyways.
All the mods out there are completely useless. The 501 has all the mods carried over from the 500. Most the errors are when the customer incorrectly loads toner. The real solution is to replace the machine with a 423.Comment
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Re: Bizhub 501 C-2403 error code
Tank you, Compytec, I will order both sensors and replace them and let you know how it goes. Any pointers?Comment
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Re: Bizhub 501 C-2403 error code
You should've tried a different toner bottle first. They are keyed with nubs that can be busted.
Vacuuming is kind of pointless, it needs canned air to get inside the sensor slits.
But if you spend 45 minutes minutes getting to the sensors to blow them out, might as well replace them.
The spring on the blue door is something to look at, it puts pressure on the bottle to make it engage properly.
When you're done, don't walk away. You have to run and run and run copies until can you watch the bottle turn then STOP. Once it does that, you're good to go.
Sky shots go quicker, but if the machine is already thirsty for toner, you will further strip the developer.Comment
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Re: Bizhub 501 C-2403 error code
Thank you for your response JR2ALTA, I will have the customer try a new toner bottle while I am ordering the sensors.Comment
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Re: Bizhub 501 C-2403 error code
If you take the FS off you can see the little access plate that they added to get to the sensor.
I had read about it... but only recently saw where it was.Comment
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Re: Bizhub 501 C-2403 error code
Hi, I have a school board full of Bizhub 421's. I have had bad toner bottles - usually after market. I have also replaced the phase sensor. I have had to replace the entire toner drive unit a few times. I believe the main issue with the drive unit is the gear (item # 4 on page 25 gets chewed up.) However I had one where I had tried all of these things and still the problem came back. The solution was to post a sign with a photo of the operation panel while it was displaying "Toner Supply in Progress" In black magic marker we wrote "Please Do Not Touch Machine, when it is displaying this message!" We found several partially used bottles of toner. The machine was 3 flights of stairs up from my key operator's office and she did not want to lock up toner so only she could add it. This problem had dogged me for a month and a half. The sign has been up for a year with no more problems. Yes this code is a constant pain in the backside in general on my machines, but one of the above should fix it.Comment
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Re: Bizhub 501 C-2403 error code
check the toner bottle is it properly installed cheat the door and check while u r making copies is it turningComment
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Re: Bizhub 501 C-2403 error code
Thank you for your time and response. I did cheat the door and I did not see the bottle spin at all. I have ordered both sensors and I also had the customer order a new toner while I am waiting for the sensors. I had them order the toner on Thursday and am waiting to hear back from them to see if that may resolve their issue.Comment
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Re: Bizhub 501 C-2403 error code
Thank you for all of the responses to this issue. I have replaced both sensors ( ps4 and p28) today and installed a brand new toner bottle. The error came back after 75 or so copies. I do not see the toner bottle move at all, however I can hear the toner motor engaging to try add the toner, so I believe I may have to replace the indexing ring in the toner assembly.Comment
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Re: Bizhub 501 C-2403 error code
when the toner motor is engaging, push the bottle in with your finger. this will simulate the spring tension on the little blue door. if it's starts the turn then your issus is the spring is too weak in the blue doorComment
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Re: Bizhub 501 C-2403 error code
I tried that... no go, it worked for a moment when I helped the bottle turn but then nothing on all my other attemptes.Comment
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