• Code: 030010
• Description: Excess friction in pen capping assembly
• Remedy: Check mechanical parts in pen capping assembly for binding.

• Code: 04xxxx
• Description: MIO interface error.
• Remedy: If an MIO is installed, check the MIO setup. Then replace the MIO.

• Code: 05xxxx
• Description: Plotter system errors found.
• Remedy: MIO problem is indicated. The most likely cause is the main PCA or the interconnect PCA. Replace the interconnect PCA. Replace the main PCA.

• Code: 060111
• Description: Line sensor LED not bright enough.
• Remedy: The optical sensor on the carriage has failed to locate lines drawn during the pen calibration routine. Reduce the ambient light. If the media is not clean and reflective, change the media. If the lines are faint, replace the pens. Clean lenses. Replace LED. Use the Edge detect test, found in the service menu, to help troubleshoot.

• Code: 060302
• Description: Large final residual correction.
• Remedy: Refer to code 060111.

• Code: 0700xx
• Description: Could not calibrate for the drop detect sensor location.
• Remedy: Check that the sensor and the sensor drop detect sensor location. housing are properly aligned. Check that the service station cover is correctly seated over the sensor housing. Check that the sensor housing opening is clear of obstructions. Use the Pen nozzle and Drop detect tests, found in the service menu, to help troubleshoot. Use the Drop detect calibration, found in the service menu to recalibrate the position of the sensor. Check the drop sense cable connections. Replace the drop sensor.

• Code: 0f0000
• Description: Firmware error.
• Remedy: Notify the HP Response Center or the nearest HP Sales and Support Office.