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HP Laserjet 3800n paper feeding problems

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elektroda.net NewsGroups Forum Index - Repair Electronics - HP Laserjet 3800n paper feeding problems

Miguel Giménez
Guest

Thu Mar 26, 2020 2:45 pm   



Good morning

When I print a page my HP Laserjet 3800n often picks two or more paper
sheets from the tray. I have been googling for this problem but I could
not find the magic words to get a valid result.

I suppose it is a cleaning problem, but I prefer asking before dismounting.

Thank you in advance.

--
Saludos
Miguel Giménez

N_Cook
Guest

Thu Mar 26, 2020 2:45 pm   



On 26/03/2020 12:56, Miguel Giménez wrote:
Quote:
Good morning

When I print a page my HP Laserjet 3800n often picks two or more paper
sheets from the tray. I have been googling for this problem but I could
not find the magic words to get a valid result.

I suppose it is a cleaning problem, but I prefer asking before dismounting.

Thank you in advance.


One simple activity. With each sheaf of paper , before adding to the
hopper, bend and flick the leading edge of the sheaf along its length to
reduce the "stiction".

--
Monthly public talks on science topics, Hampshire , England
<http://diverse.4mg.com/scicaf.htm>

JC
Guest

Thu Mar 26, 2020 3:45 pm   



Miguel Giménez wrote:
Quote:
Good morning

When I print a page my HP Laserjet 3800n often picks two or more paper
sheets from the tray. I have been googling for this problem but I could
not find the magic words to get a valid result.

I suppose it is a cleaning problem, but I prefer asking before dismounting.

Thank you in advance.

https://www.youtube.com/watch?v=2pCGj1NcNq0


I just did paper feed repair on CP1518, easy enough if you can get
replacement parts.

Mike Coon
Guest

Fri Mar 27, 2020 9:45 am   



In article <r5i8ue$1s91$1_at_gioia.aioe.org>, me_at_privacy.net says...
Quote:

Good morning

When I print a page my HP Laserjet 3800n often picks two or more paper
sheets from the tray. I have been googling for this problem but I could
not find the magic words to get a valid result.

I suppose it is a cleaning problem, but I prefer asking before dismounting.

Thank you in advance.


When I recently worked on an HP Colour LaserJet 3500 I downloaded a
wonderfully detailed service manual from HP...

Mike.

Miguel Giménez
Guest

Fri Mar 27, 2020 11:45 am   



Thank you all for the replies.

I had the service manual; my problem is described in the jams part and
it recommends N_Cook's solution. I will try it as soon as police allows
me to go out and buy paper.

The paper separation pad looks worn, it looks like someone used sand
paper with it. I will look for a replacement in my company's retired
printers or a new one.

--
Saludos
Miguel Giménez

Ron D.
Guest

Fri Mar 27, 2020 8:45 pm   



My laser printer is in the basement. I have to store my unused paper in a heated part of the house or it may jam. It's OK, if it's in the printer.

There is a "curl" to the paper and the printer feeds better one way. So, flip and rotate sometimes helps.

Humidity affects paper.

You have pick-up and separation.


Guest

Sun Mar 29, 2020 1:45 am   



On Thursday, March 26, 2020 at 8:58:59 AM UTC-4, Miguel Giménez wrote:
Quote:
Good morning

When I print a page my HP Laserjet 3800n often picks two or more paper
sheets from the tray. I have been googling for this problem but I could
not find the magic words to get a valid result.

I suppose it is a cleaning problem, but I prefer asking before dismounting.

Thank you in advance.

--
Saludos
Miguel Giménez


how many sheets usage is on the pickup rollers? If over40K, good idea to replace them.
HP makes maintenance kits for refirbing the units. Read the service manual and see what are recommended maintenance items in the paper feed mechanism..
Oh, and ALWAYS keep the paper reams in a low humidity place and 'fan' the pages from both sides and top+bottom before the paper is placed in the tray.
good luck
j

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