MX-4501N

[vlad_robas]

Hello,
I only sold few color copier's from Sharp wich im maintaining too.

At about 50k color and 78k black ive changed Primary transfer belt + BK drum+ developer.
Then at 68k color and 93k black ive changed Web roller kit (MX-450wc).

Now it has 74k color and 106k black and i had to reset folowing maintenance codes (DC,DM,DY, VC,VM, VY) for the customer to continue print from network.

The problem is that toner build's up at the bouth end's of the black developing station, i have cleaned it and still toner reapears. That toner is dusting the charging unit and so on. What should i replace so that i wont have this problem again?
Colored line's apear on the print, im guessing that the charging unit's have to be blamed for that should i replace developers and drums too or only drum's?

Our country service man is recovering from a brain surgery so i don't realy have who to ask this and i want to try to keep customer's bill's as low as i can since we are passing some hard financial time's.

[wtroll]

Ok, in order:

1-

2- Black dev. box code changed from DUNT-7457DS21 to DUNT-7457DS31 (effective time MAY 2007).

3- You must replace all 3 colour drum cartridges (to solve coloured lines problem), colour developers and don't forget the ozone filters kit (MX-450FL).

Good luck!

[OMD-227]

With those color counters and maintenance being due, you have a low page count/high rotation machine. You will notice the print quality will deteriorate faster than normal as the machine is not doing long runs of color pages, with many cleaning rotations.

Other than that, do what wtroll said. Also, perform the firmware upgrade.

[vlad_robas]

Thank you for your reply's.
I dont find that code for bk developer unit so i sent a mail to them maybe is different code for europe. What happend to that dev box anyway? can that happend to the other color's too?
Beside that unit i understand that i have to change only drum's, main charge, blade or the whole unit + drum?

stupid question: Why is firmaware update so important and our country dealer never said something about it?

[OMD-227]

I seriously wouldnt worry so much about it. I work on nothing but MX machines every day, and see this all the time. If you want the upgraded dev unit........go for it, you will see a big difference, but its not a big deal on those models. Yes, you will see similar problems on all the dev units, not just the black. You have an out-dated parts manual by the way! Download a new one.

When a drum is due, change the whole drum unit (if available to you), or rebuild the original drum unit with the MK kit (blade & grid unit). The drum unit includes everything. Simply swap them over, and reset. If you are performing a rebuild of the drum unit, always replace the drum & MK kit together. Shortcuts will come back and bite you....... I promise.

As for the firmware, it is very important to keep the machine up to date, as it includes many adjustments that have been reported back from the field to resolve many issues. I am attaching a list of the firmware revisions and what is covered. You will understand what I mean. Firmware upgrades should be done on every single call. It's done via USB, so there really are no excuses. . Firmware is a wonderful thing. So many problems have been resolved just by a new version.

[vlad_robas]

DUNT-7457DS31 unitate developer negru BT 1
MX31GVBA BLACK DEVELOPER MX2600N/MX3100N & MX4100(1)N / MX5000(1)N, MX2301N 1
MX31GVSA COLOUR DEVELOPER (C/M/Y) MX2600N/MX3100N & MX4100(1)N / MX5000(1)N, MX2301N 1
MX310MK MAIN CHARGER KIT MX2600N/MX3100N & MX4100(1)N / MX5000(1)N, MX2301N 4
MX31GRSA OPC Drum .................................................. .................................................. .................. 4
MX310DS DV SEAL KIT MX2600N/MX3100N & MX4100(1)N / MX5000(1)N, MX2301N 1 MX450FLN FILTER KIT (150K) corresponding Blue Angel MX4100(1)N / MX5000(1)N 1
This is my list and how many pieces of them, this would be enough? Anyway all these pass 1k euro's is kind a much in my opinion let's what customer has to say about it.

I will try to get the latest firmware and (*.sfu file). I have an MX-2600 is there any firmware up for this one? and 450, 235, 451 .. etc.

[OMD-227]

Those are the consumables for the second series MX color machines. DONT PUT THESE IN YOUR MX4501N!!!!!! You started this post asking about the MX4501N. You need the consumables for the first series MX.

The consumables listed are for your MX2600N you mentioned. Yes there is firmware for this model, as well as every model. Very important mate.

[vlad_robas]

Thx alot.

DUNT-7457DS31 unitate developer negru BT MX27GVBA BLACK DEVELOPER (100K) MX2300/2700 / (150K) MX350x/450x MX27GVSA COLOUR DEVELOPER (C/M/Y 1xeach / 60K) MX2300/2700 / (C/M/Y 1xeach / 100K) MX350x/450x MX270MK MAIN CHARGER UNIT & DRUM CLEANING BLADE (100K BW / 60K colour) MX2300/2700 and (150K BW / 100K colour) MX350x/450x MX27GRSA OPC DRUM (100K BW / 60K colour) MX2300/2700 / (150K BW / 100K colour) MX350x/450x (100K colour) MX5500/6200/7000N & MX6201N/MX7001N MX270DS DV Seal Kit (100K BW / 60K colour) MX2300/2700 and (150K BW / 100K colour) MX350x/450x and (100K colour) for MX5500/6200/700N & MX6201N/MX7001N MX270FL FILTER KIT (100K) MX2300/2700 (150K) MX350x/450x
i've changed codes, is this enough to put this baby back on track, afther this i can't say to the customer '' we need more part's'' at least not for a while.

[OMD-227]

That is quite a thorough list. However, I have some suggestions if you wish to save some money............

Dont worry about the DV seal kit.... You wont need that on the machine's first service at all. Same with the filter kit. Replace those later on.

Also..... I'll let you in on a little secret........ 99% of the time, the MX devs dont need changing. From years of experience, if you change the drum, reset that particular dev as well at the same time. The machine will calibrate itself and you will find the print quality to be as good as if you had replaced the dev anyway. If you find that it is slightly faint/light, simply run 44-06 & 44-26 or a full color calibration and it will bring it up to new.
Obviously, replace the dev if the dev unit is running low, near empty or causing any image quality problems. On almost all MX color machines, on the first service, the devs are not required to be replaced. However, it is completely your call, as how the machine is performing is up to you. I have found the MX devs to be the most reliable consumable that Sharp has ever made. They will last at least twice as long as specified. Again... I stress to you, change the dev if needed, but most of the time its not required on each call.
Its just important to reset the dev counter at the same time as that particular drum. Also reset both maintenance counts in 24-04.
On your machines first service, you will find that no PF or transport rollers will need replacing (just a good clean), the fuser & belts should be OK as well.
Run 64-05 & 64-01 to see how the machine is printing. Force procon or do a calibration afterwards. Firmware upgrade the machine and it should run really well.

[draph]

You are using a generic toner aren't you? That's the only thing I've seen do this. Replace your developers and switch to OEM toner

[OMD-227]

Genuine Sharp toner does this too.... in fact, all the damn time. Good call, but this is not a generic toner problem.

[vlad_robas]

Yearly today i was typing the answer and my internet connection died...
If i was using generic toner i would have mention that.
I've scanned some print's and copies but funny thing is that afther this those fine lines can't be seen anymore but some spot's on color's can. First page is black line wich i usualy do copy to check paper pass trough and black constiencity.

PS. At my MX-2600 i had those lines, not that many, at about 40k an i washed very well the main charger then dry them and is ok, also i do it freqvently at monochrome machines 5316,207, 235..

[OMD-227]

Your devs are completely gone. Your firmware is really, really old (has been upgraded 5x since that version - including a few sub versions too) & your optics could do with a good clean. You can see lines still through the color as the grids are almost gone. You need to really do some work on this machine. All drums & devs should be replaced to start with. Firmware really should be upgraded ASAP too.

[Nachoman4life]

[OMD-227]

I cant even get the full list, and I work there! I know.... the full list would be great! I'm working on it though.

This is a list of the commonly available sim switches for 55-01 & 55-03 (MX color second series only for most of these).