Xerox Phaser 7500 Service Manual page 969

Service Diagnostics Tests and Utilities (Continued)
Test
Reset CRU Life
Counters
Clear {Y | M | C | K}
Developer Page Count
Restore Engine
NVRAM
Phaser 7500 Printer Service Manual
Control Panel Display and Test Definition
Accum. Belt = <value>
2nd BTR = <value>
Belt Cleaning Assy = <value>
Fuser = <value>
Reading developer page counters...
Counts = <value>, <value>
Reset Counters?
Yes | No
Clearing life counters...
Counts = <value>, <value>
Reading controller NVRAM
Writing to engine NVRAM
Engine Parameters Restored
Possible errors:
Perform Store Engine NVRAM first
Cannot read controller NVRAM
Reboot, Not In Standby State
Cannot send ATC tag values
Cannot send serial number
Life parameters not confirmed
This resets high frequency service
counters to zero.These counters
include the accumulator belt, 2nd
BTR, belt cleaning assembly, Fuser,
LPH, and Trays 1 - 5.
Clears the HFSI count for the YMCK
developers. Select developer color,
then reset. The first value is the
developer housing count. The
second value is the developer
count. Both counts are reset to
zero.
Save ATC tag values and serial
number to NVRAM on the installed
Engine Board. The currently
installed board is a replacement.
Run this routine after a new engine
board has been installed to restore
NVRAM. Run Store Engine NVRAM
before removing the defective
board.
Perform Store Engine NVRAM first
appears when no IOT data has
been stored to the controller
NVRAM.
The engine data stored in the
controller NVRAM could not be
read.
Reboot into diagnostics and try
again.
An error occurred when writing
values to the IOT NVRAM. Reboot
into diagnostics and try again.
A read-back of the data from the
engine did not match what was
sent.
Reboot into service diagnostics and
try again.
Reference
11-11