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Solving Common 4200 4250 4300 4350 Printer Problems

Updated: Jun 13, 2019

With new HP laser printers come new problems. Sometimes they’re the same old ones that we’ve seen before—paper jams, fuser heating errors, etc.—and sometimes new ones that are unique to the printer in question.


We have already covered what is probably the most common problem in the 4200 and 4300 “Identifying and Correcting Lift Errors in the LaserJet 4200 4300 4250 4300.” We will look at some other problems that we have seen on these two models.


Problem One: HP Laser Printer Mysterious Slowdown


The Scenario:

The printer prints at much less than its normal speed, as low as 1/3 of normal.


The Cause:

There are many possible causes of this problem, including a complex print job, insufficient memory in the printer, or a defective formatter or DC controller. The simplest—and most common cause that we’ve seen has to do with the “Standard/Custom” switch on the right rail of the paper tray.


Unless you are actually feeding special custom paper, this switch should be in the

“Standard” position. If it’s set to “Custom,” the printer will feed paper and print

much slower than usual. So if you have this problem, be sure to check the Standard Custom switch before going on to the other potential causes. Be sure to check out last month’s issue for another problem and solution for the HP LaserJet 4200/4300!


With new printers come new problems. Sometimes, they are the same old ones

that we've seen before, like paper jams, fuser heating errors, etc. Other times

they are new ones that are unique to the printer in question. We have previously

covered what is probably the most common "new" problem in the HP LaserJet

4200 and 4300—paper lifting errors.


Problem One: HP Laser Printer Phantom Multi-Feed


The Scenario:

Checking the printer's output bin after a multi-page print job, you

find something interesting. There are blank sheets or partially printed sheets—sheets that have part of a page on one sheet and the rest on the next sheet—between the regular printed pages.


The Cause:

This can be a standard multi-feed problem where the printer picks up two sheets at a time, a problem caused by a worn separation roller. However, the more common cause in this printer is a sticky pickup solenoid, which causes the pickup roller to keep turning after it’s supposed to stop. This results in picking up a second sheet after the first one has gone through.


The Solution:

Observe the paper exiting the printer during a multi-page job. If the printed sheet and the blank sheet are coming out together, one on top of the other, replace the feed and separation rollers (same part number for both: RM1-0037). If the sheets are coming out sequentially—meaning the printed sheet first, then the blank sheet—replace the pickup solenoid (RH7-5355).


Other Helpful HP LaserJet Printer Support Resources

Metrofuser is a leading global innovator, manufacturer of printer parts, equipment, diagnostics, repair information and systems solutions for professional users performing critical tasks. Products and services include hp printer parts, printers and printer repair training. Parts include hp printer parts such as printer fusers, printer maintenance kits and other hp printer replacement parts.  The company's, customers include office equipment dealerships, online retailers, repair centers and MPS service providers nationwide. Metrofuser has been named to Inc. Magazine’s fastest growing companies five consecutive years.

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