HP Designjet 5000 Service Manual - Page 158
Clean the Mark Encoder on the Overdrive, Upgrade the Firmware - error 0021
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Service Calibrations Calibration Error: 0004 Problem Description: The Line Sensor pattern is not printed. Firmware error. Corrective Action: Try the following: n Power the Printer OFF and ON again using the Power Switch at the back of the Printer to reset the memory. n Upgrade the Firmware ⇒ Page 9-12. Calibration Error: 0005 Problem Description: Line Sensor error. Corrective Action: Try the following: n Replace the Carriage Assembly ⇒ Page 8-46. Calibration Error: 0020 Problem Description: Line Sensor error. Corrective Action: Check the media used for the Calibration is WHITE. n Replace the Lens Cover Assembly ⇒ Page 9-5. Calibration Error: 0021 Problem Description: Line Sensor error. Corrective Action: Check the colors in the calibration pattern. If a color is absent the Printhead has failed for that color: n Replace the Printhead for that color. Calibration Error: 0022 Problem Description: Line Sensor error. Corrective Action: Try the following: n Replace the Lens Cover Assembly ⇒ Page 9-5. n Clean the Mark Encoder on the Overdrive ⇒ Page 9-9. n Replace the Carriage Assembly ⇒ Page 8-46. 5-28 HP DesignJet 5000 Series Printers Service Manual