Canon LBP-2000 Service Manual page 103

CHAPTER 2
7) If the Value key is pressed, all the LEDs are lit and the right half of the LCD (8 columns/both
rows) is illuminated. Releasing the key clears the LEDs and the display.
8) If the Enter key is pressed, all the LEDs are lit and all the columns of the LCD are illumi-nated
(i.e. all the columns are blacked). Releasing the key clears the LEDs and the display.
9) When all the keys have been tested, 'PANEL CHECK DONE' message is displayed and all the
LEDs are kept blinking. This state persists until the printer is turned OFF.
d. Update flash
Turn the power ON while pressing the Menu and Item keys simultaneously. This function provides
a Flash Menu for managing and downloading firmware images.
Not that the function requires an expansion RAM DIMM as the total amount of RAM memory
must be 8 Mbytes or more. If the Flash Menu is implemented with 4 Mbytes of memory (default
value), the 'THE NOT ENOUGH DRAM TO PROCEED' message will be displayed.
e. Unformatted hard disk drive and flash rom dimm
1. During Power on if the Hard Disk Drive is read and writeable and does not have a High Level
format the panel will diplay the follwing messages:
'+FORMAT DISK'
'-IGNORE FORMAT'
2. During Power on if the Add-on Flash Rom Dimm is not formatteed the panel will display the
following messages:
'+FORMAT FLASH'
'-IGNORE FLASH'
f. Service menu
The Servicce Menu is a hidden menu and contains the following sub menus;
1. ERR/JAM LOG MENU
2. FORMAT MENU
3. NVRAM MENU
4. PASSWARD MENU
The Service Menu is entered at power up by a seruence of two key presses.Each key press is a
combinations 2 keys.
1. Press the 'Go' and 'Menu' key together and hold until the LCD diplays WARMING UP.
2. Press the 'Menu', 'Value' and 'Enter' keys together and hold until SERVICE MENU is
displayed,which should take about one second.
3. The service menu will become operational when the LCD changes to SERVICE MENU.
(See to VIII-C SERVICE MENU in Chapter 1)
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