DELL 2150cn User Manual

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6Hold the gray tabs, and then pull the PHD unit out of the printer.
Installing a PHD Unit
1Open the PHD packaging.
 

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2Take out the PHD unit from the packaging.
3Completely pull out the eight yellow ribbons from the PHD unit.
 

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4Remove the rear protective cover from the PHD unit.
 NOTE: Do not remove the front protective cover at this moment.
5Insert the PHD unit until the line on the handle aligns with the white line on 
the printer.
 

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6Turn the four PHD lock levers 90-degrees clockwise to lock the PHD unit.
7Remove the front protective cover from the PHD unit.
 NOTICE: Ensure that you do not hit the belt unit when removing the front 
protective cover.
 

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8Close the belt unit, and push at the top of the unit until it clicks.
9Close the front cover.
 

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10Insert the standard 250-sheet tray into the printer, and push until it stops.
Replacing the Retard Roller
Keeping the retard roller in the paper tray clean helps ensure the best possible 
printing. It is recommended to clean the retard roller at regular intervals.
 CAUTION: To prevent electric shock, always turn off the printer and disconnect 
the power cable from the grounded outlet before performing maintenance.
 
CAUTION: Before performing any of the following procedures,...

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It is recommended to use Dell retard rollers for your printer. Dell does not 
provide warranty coverage for problems caused by using accessories, parts, or 
components not supplied by Dell.
Removing the Retard Roller in the Standard 250-Sheet Tray
1Pull the standard 250-sheet tray out of the printer about 200 mm. Hold the 
standard 250-sheet tray with both hands, and remove it from the printer.
 NOTE: Ensure that you remove all the paper from the standard 250-sheet 
tray...

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Installing a Retard Roller in the Standard 250-Sheet Tray
1Align the new retard roller with the groove on the axle.
2Insert the retard roller into the axle until it snaps. The protrusions fit 
completely into the slots and the roller hook reseats into the groove on the 
axle.
 

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3Load paper in the standard 250-sheet tray, and then insert the tray into the 
printer and push until it stops.
Cleaning Inside the Printer
Cleaning the Feed Roller
Clean the feed roller inside the printer if print media does not feed correctly.
1
Ensure that the printer is turned off.
2Pull the standard 250-sheet tray out of the printer about 200 mm. Hold the 
standard 250-sheet tray with both hands, and remove it from the printer.
 

388Maintaining Your Printer
3Push the side button to open the front cover.
4Open the belt unit.