• Code: 906.xx
• Description: Service Engine Software
  A RIP interface driver error.
• Remedy: 1 Turn the printer off, and remove the rear shield. See “Rear shield removal”. Check the cable connections. Are all the cable connections secure? Replace the controller board. See “Controller board removal”. Securely make all the connections. POR the printer.

• Code: 910.xx
• Description: Service DC Pick Motor
  The DC pick motor stalled.
• Remedy: 1 Turn the printer off, and then remove the rear shield. See “Rear shield removal”. Check the cable at JSP1 on the controller board for proper connection. Is the cable properly connected? Go to step 3. Properly connect the cables, and POR the printer. Go to step 2.
  2 Did the printer function correctly after reconnecting the cables? Problem resolved. Go to step 3.
  3 Turn the printer on, and then verify the following approximate values at JSP1: Are the values approximately correct? Replace the autocompensator mechanism. See “Autocompensator mechanism (ACM) removal—standard tray”. Replace the controller board. See “Controller board removal”.

• Code: 911.xx
• Description: Service DC Pick Motor
  The DC pick motor has excessive PWM.
• Remedy: 1 Turn the printer off, and then remove the rear shield. See “Rear shield removal”. Check the cable at JSP1 on the controller board for proper connection. Is the cable properly connected? Go to step 3. Properly connect the cables, and POR the printer. Go to step 2.
  2 Did the printer function correctly after reconnecting the cables? Problem resolved. Go to step 3.
  3 Turn the printer on, and then verify the following approximate values at JSP1: Are the values approximately correct? Replace the autocompensator mechanism. See “Autocompensator mechanism (ACM) removal—standard tray”. Replace the controller board. See “Controller board removal”.

• Code: 912.xx
• Description: Service DC Pick Motor
  The DC pick motor is below speed.
• Remedy: 1 Turn the printer off, and then remove the rear shield. See “Rear shield removal”. Check the cable at JSP1 on the controller board for proper connection. Is the cable properly connected? Go to step 3. Properly connect the cables, and POR the printer. Go to step 2.
  2 Did the printer function correctly after reconnecting the cables? Problem resolved. Go to step 3.
  3 Turn the printer on, and then verify the following approximate values at JSP1: Are the values approximately correct? Replace the autocompensator mechanism. See “Autocompensator mechanism (ACM) removal—standard tray”. Replace the controller board. See “Controller board removal”.

• Code: 913.xx
• Description: Service DC Pick Motor
  The DC pick motor over speed.
• Remedy: 1 Turn the printer off, and then remove the rear shield. See “Rear shield removal”. Check the cable at JSP1 on the controller board for proper connection. Is the cable properly connected? Go to step 3. Properly connect the cables, and POR the printer. Go to step 2.
  2 Did the printer function correctly after reconnecting the cables? Problem resolved. Go to step 3.
  3 Turn the printer on, and then verify the following approximate values at JSP1: Are the values approximately correct? Replace the autocompensator mechanism. See “Autocompensator mechanism (ACM) removal—standard tray”. Replace the controller board. See “Controller board removal”.

• Code: 914.xx
• Description: Service PC Pick Motor
  The DC pick has no encoder feedback.
• Remedy: 1 Turn the printer off, and then remove the rear shield. See “Rear shield removal”. Check the cable at JSP1 on the controller board for proper connection. Is the cable properly connected? Go to step 3. Properly connect the cables, and POR the printer. Go to step 2.
  2 Did the printer function correctly after reconnecting the cables? Problem resolved. Go to step 3.
  3 Turn the printer on, and then verify the following approximate values at JSP1: Are the values approximately correct? Replace the autocompensator mechanism. See “Autocompensator mechanism (ACM) removal—standard tray”. Replace the controller board. See “Controller board removal”.

• Code: 917.xx
• Description: Service Transfer Roll
  There is a problem with the transfer roll.
• Remedy: 1 Turn the printer off, and remove the rear shield. See “Rear shield removal”. Turn the printer on, and check the cable at JHVPS1 connector on the controller board without disconnecting it. Verify the following values: Are the values approximately correct? Replace the HVPS. See “High-voltage power supply (HVPS) assembly removal”. If the problem persists, go to step 2. Replace the controller board. See “Controller board removal”.
  2 Turn the printer off, and remove the ITU. See “Image transfer unit (ITU) removal”. Check the three spring-loaded contacts between the HVPS and the ITU located at the left rear of the printer and above the HVPS. Are the contact dirty?. Clean the contacts, and reinstall the ITU. Replace the ITU. See “Image transfer unit (ITU) removal”.

• Code: 925.01
• Description: Service Fan Stalled
  The printer fan has stalled.
• Remedy: 1 Turn the printer off, and remove the rear shield. See “Rear shield removal”. Check the fan cable at JFAN1 for the following values: Are the measured values correct? Replace the top cover (which includes the fan). See “Top cover assembly removal”. Replace the controller board. See “Controller board removal”.