Service manual

Maintenance
Description
item No.
2DA/2DB
1-4-8
U019 Displaying the ROM version
Description
Displays the part number of the ROM fitted to each PCB.
Purpose
To check the part number or to decide if the ROM version is new from the last digit of the number.
Method
1. Press the start key. The part number indicating the ROM version are displayed.
2. Change the screen using the up/down cursor keys.
Display Description
MAIN Main ROM IC
ENGINE Engine ROM IC
LANG(St) Standard language ROM IC
LANG(Op) Optional language ROM IC
MAIN BOOT Boot of main ROM IC
PRINTER Printer board ROM IC
NWS Network scanner*
1
ROM IC
DP DP*
1
ROM IC
FINISHER Finisher*
1
ROM IC
CASS2 First paper feeder*
2
ROM IC
CASS3 Second paper feeder*
1
ROM IC
CASS4 Third paper feeder*
1
ROM IC
*1: Optional. *2: Optional for 16 ppm model. Standard for 20 ppm model.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
U020 Initializing all data
Description
Initializes all the backup RAM on the main PCB to return to the original settings.
Purpose
Run as needed.
Method
1. Press the start key. The screen for executing is displayed.
2. Select the EXECUTE using the up/down cursor keys. It is displayed in reverse.
3. Press the start key. All data in the backup RAM is initialized, and the original settings for Japan
specifications are set.
When initialization is complete, the machine automatically returns to the same status as when the main
switch is turned on.
Completion
To exit this maintenance item without executing initialization, press the stop/clear key. The screen for selecting
a maintenance item No. is displayed.
U021 Initializing memories
Description
Initializes the setting data other than that for adjustments due to variations between respective machines, i.e.,
settings for counters, service call history and mode settings. As a result, initializes the backup RAM according
to the specifications depending on the destination selected in U252.
Purpose
Used to return the machine settings to the factory settings.
Method
1. Press the start key. The screen for executing is displayed.
2. Select the EXECUTE using the up/down cursor keys. It is displayed in reverse.
3. Press the start key. All data other than that for adjustments due to variations between machines is
initialized based on the destination setting.
Completion
To exit this maintenance item without executing initialization, press the stop/clear key. The screen for selecting
a maintenance item No. is displayed.