HP 5550 User Guide - Page 218

Solving Other Problems " For details on consumables, access www.q-shop.com. Symptom Cause Solution Printer The power cord is not Turn off the printer, confirm that the power is not correctly plugged into power cord is correctly plugged into the on. the outlet. outlet, and then turn on the printer. Something is wrong Plug another electrical appliance into with the outlet con- the outlet and see whether it operates nected to the printer. properly. The power switch is Turn the power switch off (O position), not correctly turned then turn it back to the on (I position). on (I position). The printer is con- Use a power source with the specificanected to an outlet tions listed in appendix A, "Technical with a voltage or fre- Specifications." quency that does not match the printer specifications. Data was An error message is Handle according to the message dissent to the displayed in the mes- played. printer, but it sage window. doesn't print. A job may be can- Click the User Authentication/Account celled if user authen- Track button in the printer driver, and tication or account then type in the necessary information track settings are before printing. specified. The control panel displays TONER LOW much sooner than expected. One of the cartridges Remove the toner cartridges and check may be defective. them for damage. If one is damaged, replace it. You printed with heavy toner coverage. See the specifications in Appendix A. 204 Solving Other Problems