Karl`s PC Help Forums

Laser Printer Ex-spurts
LSemmens - 12-2-2018 at 08:27

Anyone familiar with the inner workings of Colour Laser printers. It's and HP CM1312 nfi

I can't print out any reports, only because they are so faint, I can't read them. It appears that CMY all are printing ok but Black is very faint although it appears to have about 1/2 the toner left. It's been slowly getting worse and I've just not had the time, or the motivation to attend to it before now.

Sometime in the past, I think I diagnosed an image transfer belt as the issue, but, did not come to that conclusion today.

So, any suggestions would be great.

dr john - 22-3-2018 at 20:50

I suspect the solution is what is called a new black cartridge...

JackInCT - 22-3-2018 at 21:12

I presume that you've done a "print test page" Yes/No?

LSemmens - 22-3-2018 at 23:14

Almost certainly it was/is the black toner. I took it out, gave it a good shake and the printout improved. I suspect it may be a moisture issue, i.e. the black toner is not as dry as it should be. I'll replace it when I get around to it.