Dc131 Nvm Read/Write - Xerox DocuColor 2240 Service Manual

dC131 NVM Read/Write

Purpose
Reads, sets or changes the NVM data.
Procedure
Module Selection
1. Enter the Diagnostic Mode. Refer to
2. Select Adjustments in the Service Entry Screen.
3. The system displays one of the Read/Write Screens. dC131 NVM Read/Write is the
default screen.
4. Select a Sub-System from the Vertical Left Tab List. The default tab is All.
Table 1 Module Selection
Module item Chain number allocation
All 700 - 999
UI/Tools 700, 720
IISS 715
Config/System 719, 740
Xfer 746
RegiCon 760
PHM 742
DADF 710
Xero 751
Drives / Output 741, 764
ProCon 752
Developer 762
Fuser 744
Other 755, 769
Errors (number of errors) Displays and NVM outside of the ranges listed in the
PWS database.
Changed (number pending change) Displays any with new value entered in the New col-
umn, but not written yet.
Reading NVM
1. Select an ID from the Sub-System Table, then click Read NVM, or double click on the line
ID and the value will be read in the Value column.
The Range Check column will fill in.
Writing NVM
1. To change a value, enter a new value in the New column and press Enter.
2. When a new value is entered, the Changed tab will turn green. The number in parenthe-
ses count the number of pending NVM values. Clicking this tab will show a list of all the
changed values. These locations can be written individually or as a block from this tab, or
can be canceled.
3. Select Write NVM.
Initial issue
DC 3535/2240/1632, WC M24
Entering Diagnostic Mode using the PWS.
a. If the input value is valid (within the range), the system writes the new NVM value in
the NVM location in the machine.
b. If the input value is invalid, the system displays the following message in the infor-
mation screen, The given NVM value is out of range. NVM was not changed.
c. If the NVM cannot be changed (Write protected NVM), the system displays the fol-
lowing message, The specified NVM is read only.
4. When the system writes the new value in the specified NVM code, the value is updated in
the New box and reduces the count in the Changed Tab.
09/03
6-9
General Procedures and Information
dC131