HP LaserJet M1005 Service Manual - Page 61
Basic sequence of operation
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Basic sequence of operation The microprocessor (CPU) on the ECU controls the operation sequence of the device. The following events take place during normal device operation: Table 5-1 HP LaserJet M1005 MFP Period Purpose Remarks WAIT. After the device is turned on To perform the firmware initialization. until Ready appears on the control-panel display. Tests RAM and establishes communication with the control panel. READY. From the end of the WAIT period until the user initiates action. To keep the device ready to print, copy, or scan. CALIBRATION. From the time the copy To compensate for variables in the or scan button is pressed until the SCAN scanning system. period. This occurs before the scan bar moves past the media. SCAN. From the end of the To scan one page of the original CALIBRATION period until the scan bar document. returns to the home position. ENWW Basic sequence of operation 45