HP Officejet 300 HP OfficeJet Model 330 and Model 350 - (English) User Guide - Page 195

This message: SYSTEM ERROR nnn Call for service Has this meaning: A very serious error has occurred that requires servicing. And requires this action: Record the error number, then do one of the following: If the error number begins with "1": Turn off the power, then turn it on again. If the error message is gone, you may be able to continue using the HP OfficeJet. But if the error message remains, contact HP's Customer Support Center to service your device.* It cannot be used until it is serviced. If the error number begins with "2": Contact HP's Customer Support Center to service your HP OfficeJet.* There's a problem with the scanning device, so you won't be able to reliably send faxes or make copies. However, you will continue to be able to receive faxes, print files from your PC, and print reports. Press Stop to clear the error message. If the error number begins with "3": Contact HP's Customer Support Center to service your HP OfficeJet.* There's a problem with the internal part that controls fax transmissions, so you won't be able to send or receive faxes. However, you will be able to make copies, print files from your PC, and print reports. Press Stop to clear the error message. * Refer to "Getting Help" earlier in this chapter for the appropriate phone number.