C203 line issues

[paulrid]

Hi all,

i have a C203 with quality issues see attached. So far we have changed IU's, ITB and secondary transfer roller reset and stabilise but can't get rid of them. It seems to effect all colours but magenta is the worste I was going to change magenta PH but with a closer look it's all colours so I haven't and thought I'd asked here if anyone has seen this.

many thanks Paul.

[copyman]

Re: C203 line issues

so you are saying you installed brand new OEM ITB & IU's? it still looks like one or more of those is the problem. Only 3 things would cause lines, IU's, Trans belt or fuser. You are right PH wouldn't cause that.

have you stopped in middle of cycle to see if lines on trans belt, drums, etc

[paulrid]

Re: C203 line issues

so you are saying you installed brand new OEM ITB & IU's? it still looks like one or more of those is the problem. Only 3 things would cause lines, IU's, Trans belt or fuser. You are right PH wouldn't cause that.

have you stopped in middle of cycle to see if lines on trans belt, drums, etc

Hi copyman thanks for the reply,

no not new but good ones from a working machine and also fuser but forgot to say that and yes stopped and checked ITB and the lines were there.

Paul.

[copyman]

Re: C203 line issues

That is weird. I still suspect the IU's or belt. Not sure it can be anything else.

[Gift]

Re: C203 line issues

Looks somewhat magenta-related to me - try and print some full page half tone pattern for each color separately, it will give you a better hint wich part(s) might be affected. Weird line artefacts across running direction might be HV related (bad or dirty and therefore fluctuating contact-resistance to HV, drum grounding...)

[paulrid]

Re: C203 line issues

Looks somewhat magenta-related to me - try and print some full page half tone pattern for each color separately, it will give you a better hint wich part(s) might be affected. Weird line artefacts across running direction might be HV related (bad or dirty and therefore fluctuating contact-resistance to HV, drum grounding...)

Thanks for the reply.
I have printed half tones but can't work out what it is, magenta is the worst but if you look close (harder on the scanned copy) but you can see similar patterns in all CMYK ??

Paul.

[blackcat4866]

Re: C203 line issues

I think that I'd still take a closer look at the laser slit glasses, and possibly clean the laser optics, at least as a starting point. I have some reservations about your good-used imaging units.

Try an image like this to separate out the effect of the individual colors: =^..^=

[driving lots of miles]

Re: C203 line issues

I think that I'd still take a closer look at the laser slit glasses, and possibly clean the laser optics, at least as a starting point. I have some reservations about your good-used imaging units.

Try an image like this to separate out the effect of the individual colors: =^..^=

Black Cat I just wanted to thank you again for the PDF file, I downloaded it to a jump drive and I have used it several times and it has been a big help.

[paulrid]

Re: C203 line issues

I think that I'd still take a closer look at the laser slit glasses, and possibly clean the laser optics, at least as a starting point. I have some reservations about your good-used imaging units.

Try an image like this to separate out the effect of the individual colors: =^..^=

Thanks for the reply blackcat,

i have printed those those off but don't have them to attach but I could see the pattern for all colours, when I swapped IU's the pattern were identical. We may need to swap out machine but it's up a narrow staircase and I'm old with a bad back 😂

Paul.

[Gift]

Re: C203 line issues

Running marks and general wear on the transfer belt might also show line-artefacts on half tones visible within all colors

[floody]

Re: C203 line issues

have you tried single colour sky shots to see if the marks you are getting are different in each colour?

[Synthohol]

Re: C203 line issues

To me it looks like the transfer belt just isn't getting cleaned

[Phil B.]

Re: C203 line issues

To me it looks like the transfer belt just isn't getting cleaned

agreed.

[copyman]

Re: C203 line issues

Chances of all IU's being bad is really slim, agree the trans belt is likely culprit.

FYI, Dirt on lasers would cause "blank" lines not colored lines. Always think the opposite with laser technology. What would cause black/colored lines with analog will cause white/blank lines with laser. Few examples, Dirty coronas- analog blank, laser black. Dirty optics, analog black, laser white, etc etc.

[Hansoon]

Re: C203 line issues

Do we have here in these series the much feared "Clogged Waste Toner System Syndrome" starting to show up?

Hans