HP Enterprise CP5525 manual Normal sequence of operation, 1Sequence of operation

Sequence of operation

The DC controller in the engine-control system controls the operational sequences of the product. The following table describes durations and operations for each period of a print operation from the time the product is turned on until the motor stops rotating.

Normal sequence of operation

Table 1-1Sequence of operation

Name	Timing	Purpose
WAIT	From the time the power switch is turned on, the door	Brings the product to printable condition:
	is closed, or the product exits Sleep mode, until the	● Detects and heats the fuser
	product is ready for a print operation.
		● Detects the print cartridge and any cartridge
		changes
		● Detects the ITB, and moves the ITB and the
		developing unit to the home position
		● Cleans residual toner from the intermediate
		transfer belt (ITB) and the secondary transfer
		roller
STBY (standby)	From the end of the WAIT or LSTR period until either	Maintains the product in printable condition:
	a print command is sent or the power switch is	● Enters Sleep mode if the sleep command is
	turned off.
		received
		● Performs a calibration if the calibration
		command is received
INTR (initial	From the time the print command is received until the	Prepares for the print job
rotation)	product picks up a piece of paper.	● Activates the high-voltage power supply
		● Activates the laser scanner
		● Opens the laser shutter
		● Cleans the protective laser glass
		● Engages the print cartridges
		● Warms the fuser

ENWW Basic operation 3