Item Description Item Description 6 Primary transfer pad 13 Pressure roller 7 Intermediate transfer belt (ITB) Sequence of operation Table 1-1 Sequence of operation Period Duration Purpose Remarks WAIT From the time the power is turned on or the door is closed until the drum-phase adjustment is complete Clears the potential from the drum surface, adjusts the drum phase, and cleans the ETB Detects the toner level, cartridge presence, and environment; completes any required calibration (color registration control and image stability) STBY (Standby period) From end of the WAIT or LSTR period until either the print command is received from the formatter or the power is turned off Maintains the product in readiness for a print command The product enters sleep mode when the formatter sends a sleep command, and performs color registration and the image stability control when the formatter sends those commands INTR (Initial rotation) From the time the print command is received until the media is picked up Prepares the photosensitive drum for printing PRINT From the end of INTR period until the fuser paper sensor detects the trailing edge of paper Forms the images on the photosensitive drum and transfers the toner image to the print media Performs image stabilization at a specified print interval or at specified times LSTR (Last rotation) From the end of the PRINT period until the delivery motor stops rotating Moves the printed sheet out of the product The product enters the INTR period as soon as the formatter sends another print command ENWW Basic operation 3