12. OK key - To confirm an action while in a procedure or interaction. To enter in a submenu in the menu. To select a value when given an option. If the status screen is displayed, this key takes you to the main menu. Troubleshooting 13. Status light - Indicates the printer's status. If the Status light is solid green, the printer is ready. If it is flashing green, the printer is busy. If it is solid amber, there is a system error. If it is flashing amber, the printer needs attention. Table 1-1 Service Key Combinations For a full list of front-panel options and how to reach them, see Front-panel menu maps on page 408 .
General troubleshooting This chapter will guide you through the relevant steps to take when troubleshooting the printer. Troubleshooting system error codes System Error Codes on page 53 contains a list of system error codes and their respective descriptions and recommended corrective actions. Try only one recommended action at a time and check whether the error code has disappeared. If you have an error code which is not documented in this Service Manual or you have an error which you cannot resolve, then report the error to the HP Response Center or the nearest HP Support Office. When reporting the error, have the following information ready: ● Model and Serial Number of the printer.
● Which firmware revision the printer is using (See Note below). Check firmware in Utilities / Statistics / Code rev. ● The complete error number (See Note below). ● The Service Configuration Print. ● The Current configuration sheet. ● Which software application the customer is using (name, version, etc.). NOTE: When reporting the System Error Code, make sure that you supply the full Error Code and the firmware version. Without this information, HP Support Personnel cannot help you. ENWW General troubleshooting 3 Label Description Diagnostic mode With the printer off, press and hold the Up and OK keys. While holding the Up and OK keys down, press the Power key to turn on the printer.
Wait until the HP logo appears in the front-panel display, then release all three keys. Service menu (service engineers only) From the main menu, press and hold the Up and Cancel keys. Service menu (for users) From the main menu, press and hold the Down and Cancel keys.