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I'd personally yet changing the PCU PWB.

They have very similar parts codes but if I had to guess, No. You would have to try it.

No SD in this model. Replaced memory too.

I have this with my machines too, I didn't think much about it but I have started clearing the waste toner in the process unit when I maintenance them. These seems to delay the problem but does not...

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Machine Replaced.

The kit has been installed on the machine but I don't remember if I have tried to update the firmware with the machine firmware instead of the DSK firmware which shouldn't work, but maybe it does.

The USB is not protected. I've tried different USB sticks. But, I don't think I have tried to rename the file emupdate yet. I'll try it again.

Does this machine have a DSK?

Have you checked the line voltage?

I just replaced them but I also have no shop to rebuild items anymore.

I'd try the developer unit as a whole.

Hi Guys,

Since I first installed this machine it has been jamming between the finisher & the MX-RB25. At first with all sizes of paper & so because their were no bulletins on Sharp IDNC at the...

Has anyone else ever seen this before or am I the only one?

I'd change the 2nd xfer unit out with a new one. I'm just guessing by the looks of your photos.

I would replace the MFP PWB, and you may need to put the product key back in.

Unable to update firmware with external memory, boot mode or webpage. With all attempts I get a "Write Protect Error!" message.
After contacting the hotline, I have replaced the MFPC PWB, print 512...

Do they have a DSK? You can find out through sim 22-6.

That's not something techs work with much. Network issues should be handled by IT staff.

Hello Guys,

I've got a 3640 that has a C4-00 code. I've updated the firmware, and replaced the following parts;

PTC Unit (Error returned promptly)
Primary and Secondary Transfers Units (No...

Just an idea, hows the secondary transfer unit?

Swap it out then try again. Also check gear on primary.

Let us know how it goes.

I have a MXM354N in my care and if it was me I'd replace the DV and process units at the lease and clean out the developer you can see. Then you shouldn't have any problems other than the fuser lower...

I don't agree... I only take my personal vehicle in once every six months or so for an oil change and I wash it far less (Because I don't care). My company vehicle is treated better because my...

Boy that sucks, anyway you go. I couldn't do that to my employees if I had some. It's like this... if you own the equipment doing the work you own that part of the company, so where are your shares?...

I'd replace the SD card. I had this problem on a MX-4101N. Unless you have the wrong firmware due to DSK or something.

I had a similar problem and ended up changing the SD card on the MFP PWB. Then the hard drive. That fixed it. To update the firmware with the black screen I'd try the serviceman webpage. You could...