Service manual

2DA/2DB
1-4-9
Maintenance
Description
item No.
U022 Initializing backup memory
Description
Initializes only the data set for the optical section or initializes various setting data when installing the optional
network scanner board.
Purpose
To be executed after replacing the scanner unit or installing the network scanner board.
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. The data for the optical section (U060 to 067, U092 to 099, U403, U990 and U991) is
initialized.
The setting data of scanner function initial settings are initialized, and the registered transmission and
reception are cleared.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
U026 Evacuation of backup data
Description
Transfers the backup data of the main PCB to the EEPROM.
Purpose
Used when replacing the main PCB.
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 to transfer the backup data.
The screen displays the result.
EXECUTE
CHECK SUM: ∗∗∗∗
CODE : XXXX (See the table below)
Code Description
0000 Processing ends correctly.
0101 Verification abnormality occurs.
0102 Verification abnormality occurs at the time of check sum entry.
4. Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.