October 2012
1-9
ColorQube 8570/8870 Service Manual
Cleaning Procedures
Service Call Procedures
Xerox Internal Use Only - Revised, 3rd Revision
Clean the Preheater
The Preheater cleaning is necessary when stray ink is left in the Preheater. resulting in ink
streaks on media as it travels through the Preheater.
1. From the Control Panel Menu, perform the Remove Print Smears routine: Control
Panel Menu -> Troubleshooting -> Print Quality Problems -> Remove Print Smears.
2. The Preheater cleaning cycle consists of processing 5 simplex cleaning sheets at an ele-
vated preheat temperature of 90 degrees Celsius. The Preheater is then turned off, and
up to 20 duplex sheets are processed through the printer until the Preheater temperature
reaches the stability band maximum for a given print mode.
Clean the Printhead
The Printhead cleaning is an auto-purge process when the printer comes up from a Cold state
(less than 90 degrees Celsius). The Printhead cleaning cycle consists of the following opera
-
tions: applying pressure to the reservoir of the Printhead to push ink out of the jets and wiping
ink from the face of the Printhead.
Two routines are available for Printhead cleaning from the Control Panel: Manual Purge and
Advanced Purge.
• Manual Purge - (Control Panel Menu -> Troubleshooting -> Print Quality Problems -
> Eliminate Light Stripes -> Start Basic Clean Cycle): A cleaning cycle initiated by the
user from the Control Panel.
• Advanced Purge - (Control Panel Menu -> Troubleshooting -> Print Quality Prob-
lems -> Eliminate Light Stripes -> Advanced): A cleaning cycle initiated by the user
from the Control Panel that focuses on the problematic jet selected by the user.
Clean the Tray 1 Pick Roller
1. Open Tray 1.
Figure 1 Opening Tray 1
2. Use a moistened lint-free cloth to clean the Pick Roller. Be sure the Pick Roller is not dam-
aged. Replace the Pick Roller if it appears to be excessively worn or damaged.
Figure 2 Cleaning the Tray 1 Pick Roller
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General
Weight and Dimensions
