HP Color LaserJet 4500
How to Identify and Fix Common Problems ?
Our sources include academic articles, blog posts, and personal essays from experienced technical support :
What causes ghosting? The most likely culprit is either the imaging drum unit or the fuser unit, however humidity and the incorrect paper type can all play a role in ghosting. Ghosting is often caused by a malfunctioning imaging drum unit.
Ghost prints happen when the drum or fuser unit within your printer become faulty. Because a fault with this element won`t heat the particles of the toner to a high enough temperature, the marks being made on the paper are much lighter in colour and appear more faded than typical documents.
Usually a quick paper setting adjustment will clear up a ghosting issue right away. Run a cleaning – Most printers have a cleaning function built into the machine. Run this a couple of times to attempt to clear up the printing issue. Inspect the drum – Sometimes excess toner powder can stick to the drum.
Binocular diplopia occurs when ghost images appear when you have both eyes open. Since it affects both eyes, this condition results in two sets of ghost images overlapping the primary image. In this case, the only way to remove the ghost images from your field of vision is by closing or covering one or both eyes.
By pressing fewer keys simultaneously, you can prevent ghosting. You may have to adjust your typing technique; some people instinctively press multiple keys at once when typing. Once you get into the habit of pressing fewer keys simultaneously, though, you should experience fewer instances of keyboard ghosting.
If your refresh rate or resolution is too low or too high for your monitor, it can cause flickering or ghosting. To fix this, you need to adjust your refresh rate and resolution to match your monitor`s specifications and capabilities.
Ghosts can occur when leftover ink from a previous print run gets trapped in the nooks and crannies of your screen mesh, or when underexposed emulsion reacts with your screen cleaning chemicals.
Ghost images, like those created by cataracts, usually are seen by only one eye. Ghost images can occur after corneal surgery, such as LASIK, PRK or a corneal transplant. Most of these problems disappear when the problem is resolved, like after cataract surgery or when the refractive surgery heals.
“ While ghost images of some anatomic structures cannot be avoided, most ghost images can be excluded or reduced.”
However, monitor ghosting doesn`t make permanent changes, like the burn-in effect. Ghosting is only apparent in fast-moving scenes that have moving things such as a blurry trail. The cause of ghosting can be the sluggish reaction time of typical LCD boards.
If they stop communicating with you completely without a word despite your follow-ups, it`s ghosting. As far as how long to wait before moving on and assuming the ghost is officially gone, it depends. “If it is someone you recently met, it can be two weeks before it`s time to move on.
Ghosting is associated with negative mental health effects on the person on the receiving end and has been described by some mental health professionals as a passive-aggressive form of emotional abuse or cruelty.
A quick way to find problematic combinations is to press and hold ASDW (the most popular keys for moving around in games), and then, while holding those down, press every other key in turn. If you find a key that does not work, try releasing some of the ASDW keys.
Anti-ghosting ensures that your key presses are sent without error and in the order pressed.
Ghosting can also occur on social media. It involves cutting off all social media contact with another person without explanation. The other person may unfriend, unfollow, or even block you on all social media platforms. They may even go so far as to deactivate or delete their social accounts to prevent all contact.
The most common cause of ghosting in a personal relationship is to avoid emotional discomfort in a relationship. A person ghosting typically has little acknowledgment of how it will make the other person feel.
Ghosts can occur when leftover ink from a previous print run gets trapped in the nooks and crannies of your screen mesh, or when underexposed emulsion reacts with your screen cleaning chemicals.
What`s happening is that the drum or rollers could have a fingerprint or dirt that is smudging the toner on the page as it passes through to the fuser. It is normally caused by the rollers. If the marks are always in different places, then it`s most likely to be the drum.
Toner cartridge issue: The most common cause of black shadow printing is a faulty or damaged toner cartridge. If the cartridge is not seated properly, or if it`s damaged or old, it may produce uneven or incomplete prints. Drum unit issue: The drum unit is responsible for transferring the toner to the paper.
Toner cartridge issue: The most common cause of black shadow printing is a faulty or damaged toner cartridge. If the cartridge is not seated properly, or if it`s damaged or old, it may produce uneven or incomplete prints. Drum unit issue: The drum unit is responsible for transferring the toner to the paper.
Relevant Questions and Answers :
the most relevant questions and answers related to your specific issue
HP Color Laserjet blank pages – only jetdirect page
ANSWER : What about the engine test? To do that, drop down the front tray. Feel around on the left side at the top and you’ll feel a little plastic dongle. If you lift up on that it will initiate an engine test page. That will be a page containing lines of each color.
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HP Color LaserJet 4500
How many pages can I print my compatible Epson Printer Ink cartridge? 1-800-644-5716
ANSWER : What a really bad Google translation. You should get some English speaking person to write up your next scam post.
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HP Color LaserJet 4500
Errors in sending and receiving of emails in Outlook 1-888-403-2859
ANSWER : Sheesh! Who uses Outlook in this day and age? What moron would give someone who obviously doesn’t speak English, access to their computers so they can install viruses or who knows what. Duh!
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HP Color LaserJet 4500
Printer stops pulling paper from tray 2 after a few sheets
ANSWER : Sticking pickup roller solenoid. Pretty easy fix. You need to remove the right side covers. The back one just slides off, but the top holds the front one. I usually just take the 2 right side screws off and gently lift the top enough to pop off the side panel. Open the metal door on the formatter assy. Then release the tab in the middle. There’s also a tab at the front of the panel. When putting it back on, make sure you engage the rocker switch and the metal rod before pushing it into place. When you get it open, you’ll see the solenoid at the bottom front. There’s 1 screw holding it in place. Remove it and take the top plate and spring off. Be careful not to lose the spring. Then scrape off the gooey crap on top and clean off the plate as well. I put a piece of thin sticky backed felt in place of the remnants of the disintegrating sponge that HP uses. You can find it at the hardware store used for the bottom of chair legs.
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HP Color LaserJet 4500
Black Marks on top/bottom of page
ANSWER : Heres the example again
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HP Color LaserJet 4500
incomplete printing of page
ANSWER : the printer for above mentioned problem is an Epson; product name = WF-254
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HP Color LaserJet 4500
Tray 1 light
ANSWER : Please disregard and delete the post if possible, it was a software problem.
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HP Color LaserJet 4500
HP Laserjet printer page counter backward move
ANSWER : On all HP laserjet printers if you power them off the page count will decrease back to the nearest 10. For example, if the page reading is 123,799 and you power it off, the page count will go back to 123,790.
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HP Color LaserJet 4500