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positiveg
05-27-2021, 08:44 PM
On the C454 we are running some booklets. And not this is happening. On the front cover I think it's the laser. But the inside pages wow. I really hope it's not the Cyan developer running out because I just changed it today https://uploads.tapatalk-cdn.com/20210527/cb61d223d1255d5ba37890799b2be125.jpghttp://cloud.tapatalk.com/s/60afe8726ec44/VID-20210527-WA0065.mp4

Sent from my SM-G955F using Tapatalk

byronf
05-27-2021, 08:52 PM
Hi,
Cyan drum unit.... clean the charge grid or simply replace.

tsbservice
05-27-2021, 09:25 PM
You seems constantly refuse to post CMYK halftone patterns we requested every time.
Boy it isn't that hard! PM me if you need to know how to do it properly.

P.S.
byronf is probably right

copier tech
05-27-2021, 11:15 PM
On the C454 we are running some booklets. And not this is happening. On the front cover I think it's the laser. But the inside pages wow. I really hope it's not the Cyan developer running out because I just changed it today https://uploads.tapatalk-cdn.com/20210527/cb61d223d1255d5ba37890799b2be125.jpghttp://cloud.tapatalk.com/s/60afe8726ec44/VID-20210527-WA0065.mp4

Sent from my SM-G955F using Tapatalk

Looks like classic toner on the printhead scan glass.

Use the tool inside the front cover to clean it.

copyman
05-28-2021, 01:48 AM
I couldn't open the link but 99.9% of the time by the time you get lines on the 4 series the drum is bad. Of course that is if consumable life and drum is at "0" %. If drums still have life then cleaning could help but haven't had much luck with it. Heck I've had some where lines were worse after cleaning coronas pulling white flags in and out! Probably because drums were so over life. Ha-ha

blackcat4866
05-28-2021, 01:51 AM
Did you wand the laser slit glasses?

You must have. =^..^=

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