Question about HP LaserJet 2100 Printer

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Ghosting occurs at 38 mm.

Were is the primary charging roller located?

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  • 217 Answers

You could do a what is called Half Print Test:

1). Use the MP Tray (Flip Down) to hold a couple piece of paper.
2). Run a Test print from the printer or the computer.
3). As the Trailing edge of the paper starts to disappear into the printer, open the cover as to replace the Toner to stop the printing.
4). Remove the toner cartridge carefully.
5). Look inside the printer and check the printout. Is the line on the printout? If so, toner. If not, something else.

Now, here is the fun part. If your Toner Cartridge is an HP OEM toner and it has more than 35% life left in it, it is supposely still under warranty (HP Toner Cartridge has what is called Limited Life Time warranty, whatever it means nowaday). Well here is where it gets weird. HP will not talk to you unless you pay $39 first to have a case open eventhough you are calling about something that is suppoesely still under warranty. If you are 100% certain and ready to argue with someone from India, don't call. What you need to do is paid the $39 with credit card. After the case is opened. You will talk to a Tech. You WILL HAVE TO get teh Tech to agree it is a Toner problem. At that point, the Tech agree to have a new Toner Next Day Aired to you with a return shipping label as a warranty replacement. YOU WILL HAVE ASK THE TECH TO CREDIT YOUR CREDIT CARD BACK for the $39. The last time I called in for a bad Toner replacement, the tech agreed it was indeed a toner problem and agreed to send a new replacement. When I asked to have the $39 back. He was making some comment like "So you want the $39 back too". I was quite offended and said "Why shouldn't I get MY MONEY back!?". I guess it is just another way to discourage people filing a claim.

Posted on Jul 15, 2009

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Related Questions:

1 Answer

When printing from my HPLaserJet p2035n I am getting ink transfer lines down the sides


It sounds like you are getting ghosting and either the Primary charge roller or the OPC (drum) are deteriorating. If the cartridge was an original, it is probably due to be replaced. If the cartridge was a refill, you should contact the company you got it from and have it checked.

Apr 08, 2014 | HP Office Equipment & Supplies

1 Answer

My problem is , to many black lines in image in aficio 2045


Hello,
the black lines ( narrow ones ) can occure because of worn out charge roller and drum cleaning blade.

First of all You need to replace drum, drum cleaning blade and clean the charge primary roller or replace it.Also if the times was came for drum section, repace also the developer and do the preventive maintenace on copier.

Call service!


Hope that helps!

Sep 10, 2011 | Ricoh Aficio 450 Copier

1 Answer

Errore000064 occured


Power supply voltage error (high-voltage error)

The presence of a high-voltage error is communicated by the composite
power supply PCB. (The output for primary charging, developing, or transfer
has deviated from a specific level of voltage.)

Main cause: The contact has poor connection. The wiring is faulty. The composite power
supply PCB is faulty. The DC controller PCB is faulty.

Action
1. Contact
Is any of the contacts of the primary charging roller, developing assembly,
or transfer charging roller soiled? Or, is there poor contact?
YES: Clean the contact, and set it once again.
2. Wiring
Is the wiring between the contacts for the following normal: DC controller
PCB (J301), composite power supply PCB (J136), primary charging roller,
developing assembly, transfer charging roller?
a. DC controller PCB (J301) <-> composite power supply PCB (J136)
b. composite power supply PCB (J130-7) <-> primary charging roller contact
c. composite power supply PCB (J130-1) <-> developing assembly contact
d. composite power supply PCB (FT133) <-> transfer roller contact
NO: Correct the connection.
3. Composite power supply PCB, DC controller PCB
Try replacing the composite power supply PCB. Is the problem corrected?
YES: Yes.
NO: Replace the DC controller PCB.

Jan 19, 2011 | Canon imageRUNNER 3300 All-In-One Laser...

1 Answer

The copies are dirty, with black long tracks!


I would suggest either a fuser problem, If all Colors affected, or the Black Toner Cartridge. The Below chart may help isolate which component is malfunctioning. Repetitive image defects Measurement Component 24.7 mm (0.97 inch) Developer sleeve (Print Cartridge) 26.7 mm (1.05 inches) Charge roller (Print Cartridge) 32.9 mm (1.3 inches) RS roller 37.7 mm (1.48 inches) Transfer roller (ETB) 54.5 mm (2.15 inches) ETB rollers (ETB) 56.6 mm (2.22 inches) Fuser sleeve (Fusing Assembly) 62.8 mm (2.47 inches) Pressure roller (Fusing Assembly) 75.4 mm (2.97 inches) OPC (Print Cartridge)

Jan 13, 2011 | HP Color LaserJet 2600n Printer

1 Answer

How do I check if I have marks on the drum of my Canon Laser Printer (LBP2900B)?


If you have marks on your drum there would be repetitive marks every 76mm.

Interval (mm; approx) Roller or component
55 Feed roller
46 Transer charging roller
38 Primary charging roller
76 Photosensitive drum
31 Developping cylinder
57 Fixing film unit
56 Pressure roller

Dec 24, 2010 | Canon LASER SHOT LBP-2900 Printer

1 Answer

My hp lazer jet 1600 is making big black horozonal


Measure your marks and replace whatever is indicated by this chart.

Measurement Component
24.7 mm (0.97 inch) Developer sleeve
26.7 mm (1.05 inches) Charge roller
32.9 mm (1.3 inches) RS roller
37.7 mm (1.48 inches) Transfer roller
54.5 mm (2.15 inches) ETB rollers
56.6 mm (2.22 inches) Fuser sleeve
62.8 mm (2.47 inches) Pressure roller
75.4 mm (2.97 inches) OPC

Nov 09, 2009 | Office Equipment & Supplies

1 Answer

Removed paper jam and now copies are blank.


Drum Memory
Make about 5 to 10 prints; then, leave the machine in the office environment (normal temperature/humidity conditions)

* This symptom is noticeable in a low temperature/ humidity environment, and is absent under normal environmental conditions.

* This symptom occurs in keeping with the primary charging roller rotation (38 mm).

Sep 13, 2009 | Canon imageCLASS D780 All-In-One Laser...

1 Answer

Hp laser jet1100 prints white lines


Hi ejazmusavi:
Try this.
Toner/developing cylinder 37.7 mm (1.48 inches)
Toner/primary charging roller 37.7 mm (1.48 inches)
Heating element 56.5 mm (2.22 inches)
Transfer roller 45.2 mm (1.78 inches)
Pressure roller 62.8 mm (2.47 inches)
Toner/drum 75.4 mm (2.97 inches)
Feed roller 55.1 mm (2.17 inches)

Hope this helps

May 29, 2009 | HP LaserJet 1100 Printer

2 Answers

Ghosted image


Okay, this is going to be difficult to isolate.

From the service manual: "Repetitive print defects usually are associated with a specific roller within the printer or the Toner Cartridge. Use Figure 7-1 to isolate the cause of repetitive print defects. Align the first occurrence of the defect with the top of the “ruler” (at the top or bottom of the misprinted
page), and measure to the next occurrence of the defect to determine the roller in question.
When the defect pattern matches the pattern of the ruler, replace the indicated roller."

I can't post the ruler from the service manual here, but it gives some measurements.

Start with the initial point where the occurence started then measure down to the next occurence.

If it occurs at 38 mm, then it is your primary charging roller.
At 42 mm, feed roller.
44mm, registration roller
46mm, transfer charging roller
50mm, developing cylinder
63 mm, pressure roller
75mm fusing film unit
94 mm, photosensitive drum

I hope this helps :c)

Thanks and please take a moment to rate as fixya.

Nov 06, 2008 | HP LaserJet 2100 Printer

1 Answer

Prints black vertical line at bottom of page on every print. HP 8550gn


This should help -

Developer streak
Developer streak is characterized by a line of dark or missing toner
that stretches from the leading edge to the trailing edge. Replace the
toner cartridge corresponding to the color of the developer streak (for
example, if the streak is magenta, replace the magenta toner
cartridge).

Repetitive defects troubleshooting
Repetitive defects are defects that occur in the same vertical position
on the page, but not necessarily on every page. Most repetitive
defects are caused by problems with one of the following, and are
indicated by the positioning of the defect on the page:
 developer roller (at 38 mm)
 charging roller (at 44 mm)—see additional information under
“Charge roller set” on page 454.
 cleaning roller (at 56 mm)
 developer DSD wheels (at 65 mm)
 transfer roller (at 66 mm)
 transfer drum (occurs once per 11-by-17 inch or A3-sized page,
or every other letter- or A4-sized page)
 fuser (at 150.5 mm)
 imaging drum (at 195 mm)
 transfer belt (at 222 mm)

May 21, 2008 | Office Equipment & Supplies

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