October 2012
6-8
ColorQube 8570/8870 Service Manual
Service Diagnostics
Revised, 3rd Revision - Xerox Internal Use Only
General Troubleshooting
04 Clear PE NVRAM This function clears all data in the
print engine portion of NVRAM.
When the printer next initializes in
Customer mode, the print engine will
restore all factory default values.
This function clears page counts on
Start/ Config pages; does not change
billing meters or total impressions.
initializing
Confirm PE NVRAM
Clear!
press (i) Info for discus-
sion
press OK to Continue
press any other key to
Abort
Abort - press any key to
exit
05 Set PE NVRAM to
Defaults
This function sets all data in the print
engine portion of NVRAM to factory
default values. If the NVRAM format
is not the expected format, the format
is updated before the default values
are restored.
Confirm PE NVRAM
Reset!
press (i) Info for discus-
sion
press OK to Continue
press any other key to
Abort
resetting
Table 2 Test Selection Numbers
No. Test Name Description
Control Panel Display/
Note
06 DMU Oil Blot This test checks if the DMU nips blot
are OK.
initializing
opening host connec-
tion
initializing test
Home the DM
Home the Y-Axis
run a chase page
gathering data
picking media
lifting main tray
gathering data
exit
run DM cycle
gathering data
moving tf axis to home
step the DM (14x)
id_stepPrintDM:DM is in
oil position
position Y-axis to xxx.xx
id_stepPrintDM:DM is in
Home position
run a chase page
begin stage
gathering data
processing data
saving data
COMPLETE
no results available
resetting
07 Display Fault History This function displays all current Fault
History from NVRAM including fault
code, the corresponding print count,
and the date/time of occurrence. The
fault code display starts with the old
-
est fault code. Fault information from
Extended Fault History is displayed
first and is tagged with the Character
E. Jam Codes are never stored in the
Extended Fault History.
NOTE: Jam History can only be
accessed from Customer mode.
There is no way to access the infor
-
mation from Service Diagnostics
mode.
initializing
accessing system
Fault Code Print Count/
Time
xx:xx,xxx.xxx xxxxxxx
xx:xx,xxx.xxx xxxxxxx
xx:xx,xxx.xxx xxxxxxx
Table 2 Test Selection Numbers
No. Test Name Description
Control Panel Display/
Note
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