- Hewlett-Packard Printer And Accessories User Manual

Replacing Developer
Ordering and Replacing Consumables 4-9
Consumables
4. Close the front door.
5. Press Done to return the printer Online.
Replacing Developer
Change the developer when it has either reached end-of-life, or diagnostic procedures have
identified it as a source of problems.
When the developer has reached end-of-life, the Control Panel will display:
Developer at end of life
replace developer
The printer does not stop, but it continues to display the message until you replace the
developer.
Note To avoid possible damage, the printer will stop printing about 40,000 pages after the
"Developer at end life" message first appears.
Replace the ozone filter during every other developer replacement.
Follow these steps for the developer replacement procedure:
1. Discharge old developer.
2. Add new developer. (“Adding New Developer” on page 4-12).
3. Replace the ozone filter (“Replacing the Ozone Filter” on page 4-17).
Discharging Developer
1. Press Menu on the Main Screen. Figure 4-8 is displayed.
Figure 4-8 Menu
Online
Menu
Online
Printing
Configuration
PCL
Comms
Maintenance