2. The upper LED in the formatter is ON, indicating that the formatter has been initialized. 3. The middle LED in the formatter blinks, indicating that the HDD has been initialized. NOTE: Steps 2&3 are the same when waking from Sleep Mode except the 3 LEDs are not on but; ON - Blinking- OFF OS & Firmware init 1. The OS is loaded into RAM. The Front Panel blinks for a second. 2. If boot up is after a bad power-off, the boot sequence automatically runs a file system check. a. The Front Panel shows the FSCK , text. b. First, FSCK runs on the root partition. c. If FSCK is successful, the OS boots up from the root partition and runs FSCK on the data partition. 3.
After FSCK , the OS finishes booting from the HDD. 4. The home button lights up to allow stopping the boot sequence, and entry to the diagnostics menu, see Diagnostics, Service Utilities and Calibrations on page 132 . Mechanical components init 1. The Front Panel shows a black background with a blue circle in the middle. The “Initializing” message appears. A progress bar shows the percentage of subsystems that have been initialized. 2. The printer moves the carriage from side to side to validate its position within the scan axis. The printer initializes the service station, moving the caps from bumper to bumper. 3. The pinches move down into position. 4. T2500 and T3500 only:
The printer will initialize the Scanner and start checking it. 5. The carriage and service station move to the home position 6. The printer checks the status of supplies and the printhead, and then initializes the Ink Supply Stations. ENWW Theory of operation 13