Quality Maintenance

Blurry, faded and streaky printouts

Poor output has two very different causes, and they need opposite responses. A settings problem is fixed by changing one dropdown, and cleaning the machine will not touch it. A mechanical problem — dried ink, a worn roller, a failing head — is fixed by cleaning or replacing, and changing settings will only hide it for a few pages. The first task is telling the two apart, which takes about two minutes.

The two-minute test that settles it

Print the machine's own test page — the one built into the printer, not the one in your application. If the test page is clean and your documents are blurry, the cause is a setting on the computer. If the test page shows the same streaks, the cause is inside the machine. Everything below depends on which of those two you are in, so do this first.

Match what you see to the likely cause

Print defects and what they usually point to
What the page showsMost likely causeArea
Vertical white line, same position on every pageA single blocked nozzleHead or cartridge
White line that changes position from page to pageDust on the drum, or a worn rollerDrum or fuser
Horizontal banding, evenly spaced across the pageInk level low, or a cartridge nearly emptyCartridge
Colour blocks or areas with no ink at allEmpty colour cartridge, or a blocked set of nozzlesCartridge or head
Text edges look feathered or doubledDraft quality mode, or resolution set too lowSettings
Ink looks correct coming out, then smears when touchedSlow or faulty drying, or paper too absorbentPaper or fuser temperature
Prints look fine in colour, grey in black and whiteGrey is being generated from colour ink rather than blackSettings
First page is bad, later pages are fineDried ink at the start of the cartridge, or a partly blocked headCartridge or head
Print quality degraded since the last cartridge changePoor quality setting inherited from the old profileSettings
Double images, text printed twice slightly offsetDocument is being printed by two queues at onceQueue or software

Decide first: settings or hardware?

Ask these three questions before touching anything:

  1. Is the built-in test page clean?

    If yes, stop reading the hardware sections. The machine is fine; the problem is in the settings.

  2. Does the fault follow the file or follow the page?

    Text that is blurry everywhere on every document points to a setting. A single image that is blurry while text is sharp points to the image's own resolution.

  3. Did the quality change on a particular date?

    A sudden change usually means a setting changed — a driver update, a new application, or a switch to an economy mode. A gradual change usually means ink drying or a roller wearing out.

Fixing it in order

1. Rule out the paper

More quality complaints are caused by paper than by hardware. Plain low-weight paper has no coating, so ink sits on the surface and spreads.

  • Use paper rated for the machine. Weight is usually given in grams per square metre — anything below about 75 is thin and will bleed.
  • Check the paper type setting in the driver matches what is loaded. Mismatched type changes both roller pressure and drying time.
  • Try a fresh ream. Paper that has been in an open tray for months absorbs moisture and prints unevenly.
  • For photographs, use coated stock and set the paper type to glossy or photo. The machine then uses a longer drying time and more precise placement.
  • Remove any paper from the manual feed slot. A sheet left there can be picked up instead of the main tray.

2. Rule out the quality setting

Every printer can be told to produce a deliberately cheap page.

Where the quality setting usually hides
LocationSetting to checkEffect if wrong
Application print dialogPrint quality: Draft, Economy, FastLower resolution and less ink. Text looks rough
Printer properties → QualityQuality mode, Resolution, Color modeSame, and it overrides the application
Printer properties → LayoutPages per sheet, ScalingTwo pages shrunk onto one sheet looks blurred
Printer properties → ColourColour versus GreyscaleGreyscale from colour ink prints muddy black
Printer panel menuEconomy mode, Draft modeApplies to everything, including the self test

Set the resolution to the highest value your documents actually need. Printing a text document at very high resolution produces nothing visible except slower output.

3. Rule out the driver profile

A partially replaced driver — which often happens when an operating system update substitutes a basic built-in driver — keeps some settings and drops others, producing output that is nearly right.

  • Open the print dialog on a normal document and compare every setting against what you expect. A greyed-out field means the driver does not know that option, which points to the wrong driver being in use.
  • Check whether the printer entry in Device Manager has a coloured tint over its name, which is how a substituted basic driver appears.
  • If quality settings are missing or greyed, install the full driver for your model from the manufacturer's own site rather than relying on the automatic one.

4. Run the built-in cleaning cycle

If the fault is mechanical, cleaning is the next step. Only inkjet machines have this, and the menu is usually under Maintenance, Tools or Nozzle Check.

  • Print a nozzle check pattern. This page shows every nozzle as a grid of dots; gaps tell you exactly which nozzles are blocked.
  • Run one cleaning cycle, then print the pattern again.
  • If the pattern improves, continue until it is clean.
  • If nothing changes after two cleaning cycles, a third will almost never help and wastes a considerable amount of ink. Move on.
Cleaning cycles cost real ink

Each purge pushes a substantial volume of ink through the head to clear it. On a machine with a fixed head rather than a cartridge head, running these repeatedly contributes to the very failure you are trying to avoid. Two attempts is a sensible limit.

5. Clean the parts you are allowed to clean

With the machine off and unplugged:

  • Along the carriage rail: a thin film of ink here causes the carriage to judder, which shows up as blur. Wipe with a lint-free cloth barely dampened with distilled water. Never use a dry cloth on ink, because it smears it further.
  • Paper guide and pick-up roller: ink transferred to these transfers onto the back of every sheet. Wipe with a barely damp cloth and let them dry completely before reassembling.
  • Manual feed pad and roller: same idea, and the usual cause of faint ghosting behind the printed image.
  • Laser drum roller: clean only with a dry, lint-free cloth. Laser drums are coated and solvents damage the surface permanently.
Never use these on a print head or drum

Cotton buds that shed, alcohol, ammonia cleaners, compressed air, and vacuuming inside the machine. A loose fibre or a solvent trace reaching the head causes exactly the streaking you are trying to remove, and air can force ink further into the nozzles.

6. Check the cartridge itself

  • Remove it and shake it gently — six or seven firm movements — then reinstall. Ink can settle at the cartridge filter after a long idle period.
  • Wipe the copper or gold contact strip and the print head face with a lint-free cloth. A film on the contacts causes missing colours or the cartridge not being recognised at all.
  • Check the vents have not been covered by tape or a sticker. A blocked vent causes slow ink flow and persistent banding.
  • Confirm the cartridge is seated until it clicks and the latch is fully closed.
  • If the same colour keeps failing across two different cartridges, the print head is the problem, not the ink.

7. Decide whether to keep going

Stop and make a decision when any of these are true:

  • Two cleaning cycles have made no difference to the nozzle pattern.
  • The same colour is failing across two separate cartridges.
  • Pages smear when touched immediately after printing, and this started after a cartridge change.
  • The printer is more than eight to ten years old, and cleaning has already been done once.

In those cases the remaining causes are a failing print head, a worn drum or fuser, and the machine needs a repair quotation or replacement. Continuing to clean past this point spends ink and paper for no result.

Questions

Why is my printing blurry when the preview looks sharp?

A screen preview is rendered by the computer and the page is rendered by the printer — entirely different paths. A sharp preview proves nothing about output. Blur on paper comes from ink spreading, a misaligned head, a low-resolution mode such as draft or economy, or a smeared roller.

What causes vertical white lines down the page?

A white line running in the direction the head moves and staying in the same place across every page almost always means one nozzle is blocked. A line that moves between pages, or appears only in colour, usually points to the cartridge or the paper side. Machines with a fixed head may need head replacement rather than cleaning once cleaning has been tried twice.

Is it worth cleaning the head on a laser printer?

Laser machines have no print head. Dust on the drum or a worn drum surface produces the equivalent problems, and the maintenance routine is a drum-clean rather than a head-clean. If the machine is a laser type, follow the maintenance cycle in its manual rather than looking for a head-cleaning menu that does not exist.

Does a test page tell me anything about quality problems?

Yes, and it is the fastest check available. The built-in test page is generated by the machine, so it bypasses the driver, the application and the computer. If the test page is clean but your documents are not, the fault is in the settings. If the test page shows the same streaks, the fault is in the machine.

Why does my printer look worse on plain paper?

Plain paper has no surface coating, so ink sits on top instead of being absorbed and locked in. That produces sharp edges on text and a mottled look on photographs. If the same printer produces good output on coated stock and poor output on plain paper, the paper is the variable, not the machine.

Related guides

Last reviewed 11 October 2026. Menu names shift between operating system releases and printer models. Where a step names a specific menu, your own manual takes priority if the wording differs.

Ten guides, no brand names

If this was not the fault you were looking at, the other nine guides cover the printer problems that come up most often.