What does this Print out mean?

[konica7022]

Effects only black
TB is ok
Same Black IU if swapped with other machine works fine

But every Good working black IU that i put in this machine (Bizhub c552) after some time start give black like this
7D0D62DC.jpg
Sky shoot

[REGSIS]

Re: What does this Print out mean?

Effects only black
TB is ok
Same Black IU if swapped with other machine works fine

But every Good working black IU that i put in this machine (Bizhub c552) after some time start give black like this
[ATTACH=CONFIG]36917[/ATTACH]
Sky shoot

It means that drum is not charging. Since it happens on every dum you put in and that drums are working fine on other machines, you should check HV board (replace if needed) and clean HV contacts.

[blackcat4866]

Re: What does this Print out mean?

Also make sure that the developing unit isn't dumping developer at the front, and sanding the drum surface. I ended up changing out a black developing unit for this. =^..^=

[konica7022]

Re: What does this Print out mean?

It means that drum is not charging. Since it happens on every dum you put in and that drums are working fine on other machines, you should check HV board (replace if needed) and clean HV contacts.

you mean do all the following
HV Board.jpg

or is the one in the back Frame and how do i check the voltage?

[habik]

Re: What does this Print out mean?

I'd start with the HV board circuit not the HV contact plates. It is a lot faster. You take the rear covers off and side panel where Network and USB ports are + the whole chassis cage block (MFPB+PRCB+HDD+SSD) Behind that block you'll find HV Board. Replace that one first and see what happens.

How are your other consumables like? ITB and Devs.

I had one magenta dev wrecking lot of K devs and TX belts and Drums till we replaced it along with HV Board and FRB (Front Board)

[konica7022]

Re: What does this Print out mean?

Also make sure that the developing unit isn't dumping developer at the front, and sanding the drum surface. I ended up changing out a black developing unit for this. =^..^=

i had that problem with another unit Developer dumping i changed the dev unit for that machine that fixed it, but this one is not dumping any thing cleaning laser with micro fiber cloth comes out clean

[konica7022]

Re: What does this Print out mean?

I'd start with the HV board circuit not the HV contact plates. It is a lot faster. You take the rear covers off and side panel where Network and USB ports are + the whole chassis cage block (MFPB+PRCB+HDD+SSD) Behind that block you'll find HV Board. Replace that one first and see what happens.

How are your other consumables like? ITB and Devs.

I had one magenta dev wrecking lot of K devs and TX belts and Drums till we replaced it along with HV Board and FRB (Front Board)

ok will try to replace it with another one, other are fine although near end of life, just changed the Yellow IU on that as it started giving a line in the middle

will i see the result immediately if replace the HV board or could it have damaged the Black Drum/Corona?

[copier tech]

Re: What does this Print out mean?

You say you have tried this drum in another machine & it prints good? So you know the drum is not damaged.

Before you replace the HVT try another black dev unit first.

[konica7022]

Re: What does this Print out mean?

Took Three hours

Changed the HV board and still no Difference

20170619_151841.jpg

and the same drum dev when installed in other machine works fine

[konica7022]

Re: What does this Print out mean?

so what does this print mean?

[REGSIS]

Re: What does this Print out mean?

Took Three hours

Changed the HV board and still no Difference

[ATTACH=CONFIG]36931[/ATTACH]

and the same drum dev when installed in other machine works fine

I assumed this is printed image but just in case comes silly question: is this a printed image or copy? Scanned images are OK?

And you just replaced HV2 board and not HV1 am I right (according to the picture)?

[konica7022]

Re: What does this Print out mean?

I assumed this is printed image but just in case comes silly question: is this a printed image or copy? Scanned images are OK?

And you just replaced HV2 board and not HV1 am I right (according to the picture)?

that is just a picture taken from LG g5 to show you the HV 2 board i changed and took the prints (lying under the board)
scanning is fine
i checked the fusing unit for any marks that seems ok too

Only black IU give this issue weather you print or Copy

[Copier Addict]

Re: What does this Print out mean?

that is just a picture taken from LG g5 to show you the HV 2 board i changed and took the prints (lying under the board)
scanning is fine
i checked the fusing unit for any marks that seems ok too

Only black IU give this issue weather you print or Copy

Have you cleaned the printhead?

[ricoh_rockstar]

Re: What does this Print out mean?

Found this on the Service Manual (See attachment)

Did you check the charge corona and PC drum negative contact? Maybe they are broken, misaligned or deformed.

[konica7022]

Re: What does this Print out mean?

Have you cleaned the printhead?

as mentioned in the post cleaned the laser and there is no toner or dev dumping