HP Color LaserJet Enterprise CP4020 Service Manual - Page 453
REFURBISH COUNT, SERVICE ID, SERIAL NUMBER, to change the value
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REFURBISH PAGE COUNT REFURBISH CYCLE COUNT SERIAL NUMBER: The number of pages a product is set to print when it is refurbished. The count is kept for legal purposes. If it becomes necessary to refurbish a product, you must be able to set the page count so that it represents the age of the print engine when it was refurbished. This menu item allows SERVICE ID to be reset after being refurbished, if total page count minus refurbish page count is less than 500. Without this menu item, SERVICE ID could not be reset, if the calculated page count was less than 500. When you press either the When you press either the up arrow or down arrow to change the value of the first digit, the prompts are changed to indicate an acceptable range and the appropriate value. Use this item to record the page count when the product was refurbished. After replacing the formatter, use this item to reset the product serial number. ENWW Service mode functions 421
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