The printer prints on half of the sheet what to do

Dirty print, black lines, causes and solutions

Black lines along the entire page, explaining the reasons for their appearance and how to eliminate them.

Your printer leaves black streaks along the entire page when printing?

These black lines when printing are a very unpleasant phenomenon, especially when you urgently need to print an important work or contract, and this unpleasant moment happens when we do not have time to deal with this problem.

printer, prints, sheet


There are several possible reasons for the appearance of longitudinal black stripes throughout the sheet, as well as pale spots, and there is a reason for each of these faults. Let’s first define what exactly you have?

Black lines or paths from top to bottom along the entire sheet, they can be either to the right or to the left, less often they are located in the center.

Missing areas when printing, just a white blank spot where the text should be (it happens most often somewhere in one place on the sheet and is always repeated, or not).

Black dirty spots from toner on a sheet of paper, they can also be repeated all the time in the same places on the sheet.

In any of the above cases, the first thing to do is to run the Printer, Drum, and Fuser Cleaning Wizard. All this is in the system menu of the printer, cleaning can be started both from the console of the device itself and from a computer. Now, after cleaning the printer, everything remains unchanged, then proceed to the next steps:


Cause: Inside the printer, a sheet of paper is moved by rollers and a transfer belt, which is a piece of film. So, longitudinal lines along the sheet may appear due to their contamination or coating with excess toner powder of these elements, and accordingly, when the paper moves along them, our unpleasant lines remain.

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Decision: You can follow the next set of procedures to try to fix the problem.

Use a lint-free cloth, rubber gloves to prevent toner from getting on your hands, isopropyl alcohol, and a soft brush to gently clean the rollers that you can easily reach;

Vacuum (gently vacuum cleaner not at full capacity) remove visible toner particles;

Use a lint-free cloth to wipe the transfer belt very gently (not all printers have it);

If after doing this, the problem persists, then only replacing the transfer belt will fix the problem.

Warning: do not touch the transfer belt with your fingers, you can leave your fingerprints on it, which can also have a bad effect on further printing.

Remember, you need to be extremely careful when cleaning the printer, but if you are not sure, then it is better to contact a specialist who already has experience in cleaning the printer.

MISSING PRINT AREAS (either always in the same place or not)

Cause: there are several possible causes, so we need to check each of them in the troubleshooting process to find it, but in most cases the problem is caused by the wear of the drum unit (drum cartridge).

The principle of operation of a laser printer is that a beam throws an image of what you want to print onto a photo drum (metallic green shaft) or, as it is called, a drum cartridge or photoconductor. Then this shaft turns and transfers the fixed toner onto the paper, and then it is thermally “baked” on the sheet, in more detail about the operation of the laser printer, we described here.

If the drum is damaged in any way or has fingerprints, dirt and other foreign matter, then this can lead to a blockage of the fixing of the powder on its surface, which is what the white. blank prints on the sheet tell us.

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Another reason that causes white spots on the print may be damage to the fuser.

Fuser is a component part of the printer, which, like other components, has its own print resource, it is responsible for “melting” the toner (powder) or, more simply, for fixing it on a sheet of paper.

Decision: Unfortunately, this technical part of the printer cannot be cleaned so easily and easily, but the following steps can help fix the problem:

Replace the toner cartridge, it may already be finished and a small amount of toner powder may cause this problem;

Replacing the fusing unit (oven, fuser), this is unfortunately the most expensive part in the printer, but its resource is also impressive over 100,000 pages.

Warning: Never touch the metal cylinder (drum unit), and remember, if you are not sure, then call a professional.

DIRTY SPOTS ON A SHEET OF PAPER (either always in the same place or not)

Cause: your printer gave you a sheet of paper from printing on which there are dirty, black spots, this indicates that there is a problem with the drum or with the rollers.

This reason is very similar to the drum wear we described above, a fingerprint or dirt on the shaft, which smears the toner on the page as it passes through the fuser.

Decision: If the printer allows you to remove the drum unit, then after taking it out, you can visually inspect it for any defects on its surface (the presence of fingerprints, scratches, chips and other foreign objects). You can also remove the toner cartridge and look inside the printer and see if everything is clean and beautiful there. We will try to fix this problem step by step and get the desired clean sheet without any defects.

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We will clean the rollers with a brush or vacuum;

We will replace the toner cartridge, if we have a spare one, it may be faulty or has already exhausted its print resource;

One of these steps is guaranteed to eliminate the problem of “dirty” pages when printing. Be careful and accurate in carrying out these works, and if you are not sure, then calling a specialist will be the best solution.

It also happens that a white, blank sheet comes out when printing!

You can be immensely impressed by focusing on getting a beautifully printed document out of the printer now and a white sheet in the end. Or a sheet with poorly visible text.

This is the least common problem, I haven’t really focused on it, but don’t worry, I’ll be here and will also write about it.!

Faint or missing prints may be caused by the cartridge not snugly fitting to the drum, not fully seated in its place, not fully snapped in.

Here’s one way to fix it:

Visually check the cartridge or drum for protective tapes and shipping seals, have you removed any excess, have removed the protective tape if any, and all orange plastic “pieces” should be removed.

We hope that you have carefully examined everything, removed or pulled out what you forgot to remove and got a high-quality and beautiful print. This method, of course, was suitable for the new cartridge that you just inserted, for any other it means that the cartridge is already out and needs to be replaced.