HP PageWide Pro 352/377, 452/477, 552/577. Troubleshooting Manual

   The printers support 10/100 Ethernet, 802.11 wireless (HP wireless direct models), a rear USB host port, a control panel USB host port (552/P55250/377/477/577/P57750 models), and an analog fax port
(377/477/577/P57750 models). For Ethernet networks, the formatter ASIC uses a separate integrated circuit (Broadcom 5241) to provide the physical network layer.
The formatter ASIC controls the USB device and USB host as well. Wireless I/O is provided via a separate radio module.
   The printers contain either a 2-inch (352/452 models) monochrome display or an 4.3-inch (552/P55250/377/477/577/P57750 models) color graphics display. An icon on the control panel of wireless
models denotes that the wireless feature is enabled. The 552, P55250, 377, 477, 577, and P57750 models include a walk-up USB host port for connection to thumb drives
   Use the event log to solve issues that are aff ecting  printer operation.

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