DPDISXR4Ti's latest activity

For reference, here's another thread that discusses this topic.... https://www.eevblog.com/forum/repair/hp-laserjet-drum-problems/

Okay, so back at this. I was able to get a 2019-dated cartridge - much newer than the others, but certainly not new. The first...

Right. I was responding to veraults comments about the 5L and 6L being the ones to avoid.

Thanks, I didn't realize that.

Appreciate the input. Given that I've got spare cartridges now, I should take one apart and see what I find. I'm thinking it's a...

Right, hence my suggestion above that the two NOS cartridges I've recently tried could have the same failure mode; namely, the...

One other data-point... When I pulled the cartridge the green drum is covered in toner. I carefully wipe it off, turning the drum via...

That's a reasonable assumption, but here's why I think it's not correct. If I do a half-page test by powering off half way through...

This is a 6p from the late 90's. It has the horizontal feed.

In fact, I did first try buying a "NOS" cartridge on eBay which yielded similar results. Fortunately, I got a full refund on that one...

I just signed up for this forum as I have pretty much the exact same problem. I have a late 90's era HP LaserJet 6p that I mostly use...