Xerox 8850 Service Manual page 294

Table 1 Special Tests
Code Description
[0360] NVM Reset to Default.
Entering the number 1 or 3 resets all
the NVM values to the default val-
ues.
Entering the number 2 allows the
electronic billing to be reset to any
desired value.
[0361] Watchdog Timer Test.
This code can be used to exit the
Diagnostic mode
[0362] Diagnostic Time-out interval. This
code allows the adjustment of the
time interval that the Printer will stay
in the Diagnostic mode.
[0363] NVM Reset
This code allows the NVM values to
be reset to the previously adjusted
values. The software compares the
NVM values to a backup file and will
reset the values that are not the
same as the values in the backup
file.
[0364] Reset NVM Check Sum
[0365] NVM Printout of NVM contents in
hex format.
[0366] NVM Dump of Adjustable Settings.
NOTE: This information is accessi-
ble through the Printer Main PWB,
J611.
[0391] Recent Fault Log
Displays the last 99 faults that have
occurred.
[0392] Fault History Log
[0602] Vertical Magnification
Go to ADJ 8.1 Vertical Magnification
Adjustment
[0700] Cut Length Adjustment
Go to ADJ 8.3 Cut Length.
[0750] Adjust Heater on RH setpoint.
General Procedures
Special Tests
Value
1 = NACO NVM Default
2 = Billing
3 = EO NVM Defaults
NOTE: If the web oiler is not new, run
[1031] to set the counter value to reflect
the remaining length.
0-50 minutes
Refer to GP 7, NVM Dump of Adjust-
able Settings, later in this section.
Displays the fault code, how many
events ago it occurred, and the billing
meter reading at the time the fault was
originally displayed. Log entries are
numbered from 1 to 99, with 1 being the
most recent.
Displays, in alphabetical order, the
number of occurrences of each of the
fault codes since the log was last
cleared.
0-40mm
600mm is ###mm
0-99 RH
03/2003
Code Description
[0760] Delay Between Prints (Film)
Increases the time delay between
making prints on Film Media
[0809] Enable/Disable Stack Height Sensor 00# 00#
[0860] Image Registration
Go to ADJ 8.2 Lead Edge Registra-
tion.
[0904] Automatic ESV Setup.
[0906] Tone Up/Tone Down (Automatically
adjusts toner concentration until the
control set point is reached).
[0907] Current Dispense Mode.
[0920] Displays Run Time.
[0921] Electrostatic Setup
This code is used adjust the electro-
statics. When in this code, specific
tests can be run by pressing the fol-
lowing buttons:
1 AC/Transfer on Xerographic HVPS
2 Clean Voltage Measurement
3 Adjust Vlow (obsoleted by [0904])
4 Adjust Image Density
Toner Sensor Vbias
5 LED Image Bar Illumination Test.
6 Calibrates the Toner Control Sen-
sor.
7 Humidity Sensor control point set-
ting.
[0922] This code disables toner faults so
that the Printer will continue to oper-
ate.
[0926] Resets the Toner Control Bias to
default value
[0955] IOT Internal Test Pattern Print
[0970] Adjust test patterns for code [0921-
5]. Use two different pattern numbers
to see the LED bar change in code
[0921-5].
6-8
Table 1 Special Tests
Value
1-30 Secs
0-40mm
Sequentially steps through test,
displays values when complete.
Desired sensor voltage = #.# volts
Actual sensor voltage = #.# volts
TDK or Sleep
#.# Hours
Xerographic High Voltage Power Sup-
ply On
060-175
(ADJ 9.3), 0-20
0-6.0
Observe Bar
IOT reveals
>65% RH
1=yes, 2=no
[Yes] for running with toner faults.
#.# volts
test patterns: 1-9
roll select: 1-3
length of print: 210-50000mm
quantity of prints: 1-255
1-9
8850/ 510DP