Dell 2135cn Color Laser Printer - Manual (Page 145)

Part or the entire output is black.
Pitched color dots
Action Yes No
1
The toner cartridges may be low or need to be replaced. Confirm the amount of toner left in each toner cartridge.
1. Check the toner level in the Status tab in the Status Monitor.
2. Replace the toner cartridges as necessary.
Is the problem resolved?
The task is complete. Go to action 2.
2
If you are using non-Dell brand toner cartridges, disable the Non-Dell Toner option.
1. Launch the Tool Box, and click Non-Dell Toner on the Printer Maintenance tab.
2. Ensure that the On check box is not selected.
Is the problem resolved?
The task is complete. Go to action 3.
3
Replace the PHD unit if you have a spare unit.
1. Replace the PHD unit. See "Replacing the Print Head Device (PHD) Unit" and "Installing the PHD Unit" .
2. After you replace the PHD unit, click Chart Print on the Diagnosis tab.
3. Click the 4 Colors Configuration Chart button.
The 4 Colors Configuration Chart is printed.
Is the problem resolved?
The task is complete. Contact Dell.
Action Yes No
1
Ensure Output Color is set to Color (Auto) in the printer driver.
1. On the Advanced tab, ensure that the Output Color is set to Color (Auto).
Is the problem resolved?
The task is complete. Go to action 2.
2
Replace the PHD unit if you have a spare unit.
1. Replace the PHD unit. See "Replacing the Print Head Device (PHD) Unit" and "Installing the PHD Unit" .
2. After you replace the PHD unit, click Chart Print on the Diagnosis tab.
3. Click the 4 Colors Configuration Chart button.
The 4 Colors Configuration Chart is printed.
Is the problem resolved?
The task is complete. Contact Dell.