Xerox WorkCentre 5020 Service Documentation page 232

Summary of Program Functions
Chain Function Sub
20 58 Initialize
20 59 Initialize
20 60 Initialize
23 10 Test Print
23 01 Test Print
25 01 Check
25 20 Check
25 21 Check
29 50 Check
29 49 Check
40 01 Check
General Procedures
Contents of Data
MCU NVM Initialize
Clear Error History
MCU NVM Update
Test Print
Print Controller built-in pattern
Display total print counter
Display machine serial number
Display machine product code
Display Controller firmware version
Display MCU firmware version
Display Error History
July, 2007
6-10
Meaning
Sets the initial value in the MCU's system data.
Clears the Error History.
Sets the initial value in additional system data between old and new MCU
versions.
Use "DIAG EXECUTE" command.
Executes test pattern printing.
Prints the Controller built-in grid, using the following NVM settings:
1-Sided or 2-Sided: 23-20
Paper Source: 23-21
Number of prints: 23-27 (high-order digits) and
23-26 (low-order digits)
Displays the total print count (6 digits). The display is divided into 2
portions: the high-order digits and the low-order digits.
Displays the machine serial number (10 digits). The display is divided into 4
portions: the highest-order digit, followed by 3 sets of 3 digits.
Displays the machine product code (8 digits). The display is divided into 3
portions: the 2 highest-order digits, followed by 2 sets of 3 digits.
Displays the firmware version of the Controller. The display is divided into
3 portions, starting from the highest-order digit.
Displays the firmware version of the MCU. The display is divided into 3
portions, starting from the highest-order digit.
Displays the Error History, starting with the most recent error code.
Initial Issue
WorkCentre 5020