HP 8550dn HP Color LaserJet 8550, 8550N, 8550DN, 8550GN, 8550MFP Printer - Use - Page 198

Cleaning the Density Sensor, To clean the density sensor and, erase lamp

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Cleaning the Density Sensor Clean the density sensor after replacing the imaging drum and when printed colors are inaccurate. To clean the density sensor and erase lamp 1 Open the upper door on the right side of the printer. 2 On the inside of the door, locate the density sensor and the density sensor brush. Use the brush to brush off toner particles from the density sensor and the erase lamp. Then replace the brush. Note You can also use a hand wipe to clean the density sensor. To prevent scratches on the sensor, do not use any paper products, such as tissue or paper towels, to clean the sensor. 3 Close the upper right door. EN Print Quality Problems 197

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EN
Print Quality Problems
197
Cleaning the Density
Sensor
Clean the density sensor after replacing
the imaging drum and when printed
colors are inaccurate.
To clean the density sensor and
erase lamp
1
Open the upper door on the right side
of the printer.
2
On the inside of the door, locate the
density sensor and the density
sensor brush. Use the brush to brush
off toner particles from the density
sensor and the erase lamp. Then
replace the brush.
Note
You can also use a hand wipe to clean
the density sensor. To prevent scratches
on the sensor, do not use any paper
products, such as tissue or paper towels,
to clean the sensor.
3
Close the upper right door.