HP DesignJet Z6 User Guide - Page 145
Update the firmware, Automatic firmware updates, Automatic, updates
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If you need to leave the printer turned off for a long time, follow the additional steps below: 1. Turn off the power using the power key on the front panel. 2. Disconnect the printer's power cable. CAUTION: Do not turn the printer upside down: ink could escape from the service station and damage the printer. When reconnecting the power cable, remember to route the cable tidily along the back gutter. When the printer is turned back on, it takes about three minutes to initialize itself and to check and prepare the printheads. Preparing the printheads normally takes just over a minute. However, if the printer has been off for a six weeks or more, preparing the printheads could take up to 45 minutes. CAUTION: If the printer remains off for a long period of time, the printheads may become unusable. In this case, you need to replace the printheads with new ones. TIP: Because preparing and purging the printheads uses both time and ink, you are strongly recommended to leave the printer always on or in sleep mode, whenever possible, to maintain the health of the printheads. In both cases, the printer wakes up from time to time to maintain the printheads. Thus you can avoid going through lengthy preparation processes before using your printer. Update the firmware The printer's various functions are controlled by firmware that resides in the printer. From time to time firmware updates will be available from HP. These updates increase the printer's functionality, enhance its features, and may correct minor problems. IMPORTANT: You are strongly recommended to update the firmware periodically in order to take advantage of the latest improvements. There are various ways of downloading and installing firmware updates; you can choose whichever you find most convenient. They can be divided into two categories: automatic and manual updates. NOTE: The firmware includes a set of the most commonly used paper presets. Extra paper presets can be downloaded separately; see Paper presets on page 36. Automatic firmware updates Automatic firmware updates are a convenience that is possible with Web-connected printers. Your printer can automatically download the latest firmware release, store it in the printer, and install it for you. ENWW Update the firmware 137