Question about HP Office Equipment & Supplies
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Posted on Jan 02, 2017
SOURCE: HP Color LaserJet 2550n
Are you using generic toners or HP branded? Try to reseat the yellow toner. The page counter can't be reset and should not be. This unit uses chips to recognize the toner level. Generic toners don't always have good chips on them.
Posted on Jul 09, 2008
Table 7-33. Causes for distortion or blurring
Transfer unit is defective. Replace the transfer unit. Calibrate the printer
after replacing the transfer unit. See Calibrate
Now, later in this chapter.
Defective secondary transfer roller If it does not rotate smoothly or it is deformed,
replace the secondary transfer roller.
DC controller PCB is defective. Replace the DC controller PCB. Calibrate the
printer after replacing the DC controller. See
Calibrate Now, later in this chapter.
Use the following procedure to calibrate the printer whenever you replace the DC controller,
the formatter, the color misregistration sensor (PS12), the transfer unit, or the laser/scanner.
1. Press to enter the MENUS.
2. Press to highlight configure device.
3. Press to select configure device.
4. Press to highlight PRINT quality.
5. Press to select PRINT quality.
6. Press to highlight CALIBRATE NOW.
7. Press to select CALIBRATE NOW.
8. Wait for the printer to calibrate.
hope this helps
Posted on Jan 10, 2009
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