LEJ 640 F Yellow not stable on the printing

Warranties, repairs and maintenance
Post Reply
cikoucorp
Member
Posts: 9
Joined: Thu Jul 21, 2016 9:58 am

LEJ 640 F Yellow not stable on the printing

Post by cikoucorp » Sat Apr 15, 2017 2:55 pm

Hello this is my first topic in this forum my problem is that i find my lej 640 has a problem with yellow printing
befor i print i do a print test when it is good i start print but i cant get a stable yellow printing on all the image its start good (100%) then it will be like 20% check the images below
i tried normal cleaning till powerful cleaning, manuel cleanig, change the yellow cartridge( im using eco uv ) change the wipers but wont work any help please.
Attachments
not.jpg
instable yellow
after.jpg
after printing
befor.jpg
befor printing

User avatar
RagnaröK
Member
Posts: 19
Joined: Fri Jun 27, 2014 1:09 pm
Location: Estonia
Contact:

Re: LEJ 640 F Yellow not stable on the printing

Post by RagnaröK » Tue Apr 18, 2017 8:01 am

Hey,

First solution: It seems that one yellow gets stuck, damper might be clogged.

Second solution: There might be number of reasons for that, broken head, folded tubes, weird anomalies, get the technician to check it out. =)
Geotime Advertising Technology

cikoucorp
Member
Posts: 9
Joined: Thu Jul 21, 2016 9:58 am

Re: LEJ 640 F Yellow not stable on the printing

Post by cikoucorp » Tue Apr 18, 2017 5:37 pm

well thank your for reply
i got the solution for my problem i've changed the dumper (yellow) now its working fine
thanks

User avatar
mrtn
Gold Member
Posts: 2329
Joined: Tue Feb 14, 2012 4:37 pm
Location: Tallinn, Estonia

Re: LEJ 640 F Yellow not stable on the printing

Post by mrtn » Tue Apr 18, 2017 5:58 pm

Did you cange both dampers?

Always replace dampers in pairs.
Roland Dealer since 1993
facebook
instagram

cikoucorp
Member
Posts: 9
Joined: Thu Jul 21, 2016 9:58 am

Re: LEJ 640 F Yellow not stable on the printing

Post by cikoucorp » Mon Apr 24, 2017 6:00 pm

yes i did changed them both
thank you

Post Reply

Who is online

Users browsing this forum: No registered users and 1 guest