Action

Yes

No

 

 

 

3 Replace the PHD unit if you have a spare unit.

The task is

Contact Dell.

a Replace the PHD unit. See "Replacing the

complete.

 

Print Head Device (PHD) Unit" and

 

 

"Installing a PHD Unit."

 

 

b After you replace the PHD unit, test print

 

 

your document again.

 

 

Does this solve your problem?

 

 

 

 

 

Random spots/Blurred images

Action

Yes

No

 

 

 

 

1

Ensure that the toner cartridges are installed

The task is

Go to action 2.

 

correctly. See "Installing a Toner Cartridge."

complete.

 

 

Does this solve your problem?

 

 

 

 

 

 

2

Ensure that the PHD unit is installed correctly.

The task is

Go to action 3.

 

See "Replacing the Print Head Device (PHD) Unit"

complete.

 

 

and "Installing a PHD Unit."

 

 

Does this solve your problem?

Troubleshooting Guide

439

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Dell 2150cn manual Random spots/Blurred images, 439