HP CM3530 Service Manual - Page 147

Table 5-1 Sequence of operation Period Duration Description Waiting From the time the power is turned on, the ● door is closed, or when the product exits Sleep mode until the product is ready for ● printing ● Heats the fuser sleeve Pressurizes the fuser pressure roller Detects the print cartridges ● Detects the home position for the primary transfer roller and the developing unit ● Cleans the secondary transfer roller Standby Initial rotation From the end of the waiting sequence or ● the last rotation until the formatter receives a print command or until the ● product is turned off ● From the time the formatter receives a ● print command until the paper enters the paper path ● The product is in the READY state. The product enters Sleep mode after the specified length of time. The product calibrates if it is time for an automatic calibration. Activates the high-voltage power supply Prepares each laser/scanner unit ● Warms the fuser to the correct temperature Printing From the time the first sheet of paper ● enters the paper path until the last sheet has passed through the fuser ● Forms the image on the photosensitive drums Transfers the toner to the paper ● Fuses the toner image onto the paper ● Performs calibration after a specified number of pages Last rotation From the time the last sheet of paper exits the fuser until the motors stop rotating ● Moves the last printed sheet into the output bin ● Stops each laser/scanner unit ● Discharges the bias from the highvoltage power supply ENWW Basic operation 117