Recently my printer has started this halo effect,like a smudge, principally on bold black print, although it can be seen a bit on the magenta and yellow.
Have cleaned all charger units, advanced beam array lenses, done colour calibration, replaced toner and even replaced the black developer unit, and cleaned the paper chute and ramp, and changed to the latest driver.
Still the problem persists. Any one out there who can help?
Maybe the probem lies in the fuser this is a metal teflon coated tube (surrounded in fidly breakable plastic) with a halogen light running through the middle (for heat) it heats up and fuses the toner to the paper JUST before it leaves the printer (thats why the paper is hot when it leaves the printer) you can have the tube RE-tefloned for not much cost when i used to repair laser printers the company would post a re teflonned tube and i would send mine back so the client would not be without a printer while the tube was being re done - or you could just buy a complete new fused unit (not cheap) hope this helps
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If there is adequate black and magenta ink in there, and nozzle clean has no effect, then I think the print head may have failed. You can buy these replacements, eBay lists them, but it may be more economical to buy a new printer, for which you will have a warranty.
This is common with this printer, the LED head will need to be cleaned and height adjusted - would be best to have a technician look at this problem as you can damage the LED head, Drum or make the problem worse.
It looks like the magenta print head nozzels are blocked.
Inkjet printers need to be used frequently to prevent inkdrying out in the print head nozzles. If the print head cleaning maintenance routine does not clear the blockages,then print head needs replacing, but it may be expensive. It may be more cost effective to buy a later model and better printer thanreplace the print head.
Sounds like you may have a bad fusing roller. Run some blank sheets. If the smudges start to fade, that's your trouble. When the fusing roller is bad it doesn't clean as well, so when you run bold text or anything that has higher than normal toner coverage, there will be more build up on the fusing roller that then transfers to the paper.
check if your cartridge has enough ink. And try doing a maintenance task on your printer. Usually you can find it in the Printers application software or you can check the properties of the printer. Most of the printers have features on doing a maintenance like, paper feeding, deep cleaning, paper smudge realigning, etc. You can increase the printing quality also in the settings of the printer.
This happend to me also and I finally found out that the printer uses collor cartidges for GRAY printing. The back cartridge is used for BLACK printing ONLY. So if the printer was short of one collor in my case it was magenta (red) the gray parts of BW prints started to be green!!! When I put new magenta cartridge to the printer gray was gray again...
HP 1600 is quite a decent little printer, so you shouldn't be dissapointed - if it's working properly, which clearly it's not in this case.
It seems that you have 2 problems here.
Firstly it shouldn't click loudly, so you need to be talking to whoever you bought the printer from.
The smudging - is probably a dirty fuser.
There are laser printer cleaning sheets, that will work quite well, but ideally it needs a little bit of dismantling to get at the fuser to clean the two fuser rollers.
I've seen lots of these with dirty fusers, and a clean with IPA does the trick.
have you recently had a paper jam. somtimes pieces of paper can become trapped under the print head which restricts the printing. if there is and its been there for a while the print head may need to be wiped/cleaned( a bit tricky) then a couple more print head cleans.
Doubt it be the fuser(100 000life), "just magenta dots".... fuser would be "all smudged" or "black marks" , "the print rubs off" , "paper is creasing or jamming"
Can prove it by stopping a print (open door) when paper is1/2 way threw machine, you need to stop it before it goes threw the hot bit, so you can tell if the hot bit (fuser) puts the marks on the paper.
Transfer roller one would expect to effect whole print Smudged/Faint,uneven density
It will be the imaging unit ( 30 000 pagelife Ouch$ ) or possible leaking toner (if aftermarket)
Remove imaging unit and inspect film you should find image of lines, dots are usually chips or sticky stuff on drum surface, carefull no oily human fingers on surface please.
When stopping machine mid print and perfecting your timing, pull out the imaging unit and look at replica of your print notice if marked and where.