HP 8550mfp Service Manual - Page 83
Ready, Indicator, Data Indicator, Attention, Select, On-An error has occurred in the printer.
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Item Steps through the items in a particular menu. This key permits both forward and backward movement through the available items. Use the right side of the key to activate online help in all HP Color LaserJet 8550 printer models. Ready Indicator (green) l On-The printer is online and able to accept and process data. l Off-The printer is offline and unable to accept or process data. l Flashing-The printer is going from online to offline, or from offline to online. Data Indicator l (green) l l On-Data is in the printer buffer, or the printer is processing data. Off-The printer buffer is empty. Flashing-The printer is receiving or processing data. Attention Indicator (amber) l On-An error has occurred in the printer. l Off-The printer does not require attention. l Flashing-The printer requires attention. Select Selects the item or value currently shown on the printer control panel display. An asterisk (*) is displayed when an item has been selected. EN Printer control panel layout 81
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