HP Designjet L26100 HP Designjet L26500/L26100 Printer Series - Introductory - Page 11

Table 1 Numeric error messages (continued) Error code Recommendation 77:04 An Embedded Web Server internal software error has occurred. Try the following remedies: ● Turn off the printer by using the Power key on the front panel and the power switch at the back of the printer. Disconnect the power cord, then reconnect the power cord and turn on the printer. ● Check that your printer firmware is up to date. 78.1:04 The printer has no substrate preset for this substrate. Follow the firmware upgrade procedure to update the printer with the latest substrate presets. 78.2:01 The end of roll has been detected. If this is not the case, unload and reload the substrate. 81:01, 81:03 Open the printer window and make sure that there are no obstacles restricting the movement of the drive roller. If the substrate has jammed and is restricting the movement of the drive roller, see the Maintenance and Troubleshooting Guide. 82:01 There may be a substrate jam, or a dirty carriage reflector. Try cleaning the carriage reflector. 86:01 Open the window and check for any visible obstacles restricting the movement of the printhead carriage. If there is a wrinkled mass of substrate blocking the carriage, lift the substrate adjustment lever and clear the obstruction. 98:03 One or more printheads is malfunctioning; use the printhead status plot to find out which. ENWW Front-panel error messages 9