Up to 100,000 pages [7] Duty cycle is defined as the maximum number of pages per month of imaged output. HP Secure EIO Hard Disk J8019A; HP Jetdirect 620n EIO Print Server J7934G; HP Jetdirect 635n EIO Print Server J7961G; HP EIO 1284B Parallel Port Adaptor J7972G; HP Jetdirect 690n EIO 802.11g Wireless Print Server J8007G; HP ew2500 USB 802.11g Wireless Print Server J8021A.
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