Ordering and Replacing Consumables 4-1
Consumables
4
Ordering and Replacing Consumables
Introduction
This chapter provides user maintenance procedures to maintain the printer’s consumables.
If you want: Go to:
• An overview of the D640 printer supplies page 4-1
• To order additional consumables page 4-2
• To replace toner or recycle toner after replacement page 4-4
• To replace developer and ozone filter page 4-9
• To replace the drum and transfer assembly page 4-18
• To replace the fuser page 4-29
• To replace the printer pick rollers page 4-33
• To replace the HCI pick rollers page 4-42
Overview of Consumable Supplies
You can replace all of the consumable supplies. This chapter presents step-by-step instructions
for removal and replacement of these supplies and explains how to set the printer to produce
lighter or darker prints.
• Each time you replace a consumable, the action is automatically recorded in the printer’s
online maintenance log.
Caution Damage to the photoconductor can cause excessively light or dark printing or
missing text.
Caution Hewlett-Packard recommends the use of Hewlett-Packard labelled consumable
supplies. Hewlett-Packard is not responsible for any failures or print quality issues arising
from the use of other than Hewlett-Packard supplies in the cut sheet printer. Such failures are
not covered under warranty or under the Hewlett-Packard service agreement.
