HP 2300 Service Manual - Page 87
Power-on sequence, delivers the residual media.
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Page 87 highlights
Power-on sequence The the following steps describe the sequence from power-on until the printer enters the standby (STBY) mode. 1 Power-on. 2 CPU initialization. 3 Formatter communication start. 4 Main motor, reverse motor, and fan drive-Reads the paper-detecting status of each sensor in the printer immediately before driving the main motor, and assesses a jam if residual media is detected. 5 Residual paper check-After starting the main motor, detection of residual media in the printer resumes. If residual media is detected, the printer assesses a jam or automatically delivers the residual media. 6 High-voltage control-Detects the cartridge presence and cleans the transfer charging roller after the primary charging ac bias is turned on. 7 Failure or abnormality check-Detects door-open, fan-motor, and fuser-unit failures during the other sequence periods. ENWW Chapter 5 Theory of operation 85