• Code: 920.02
• Display: 920.02 POST Error
• Description: Tray 1 motor not connected.
• Remedy: 1 Replace the paper pick mechanism. Does the error clear? Problem solved. Replace the system card.

• Code: 920.03
• Display: 920.03 POST Error
• Description: Transfer belt not connected.
• Remedy: 1 Turn the printer off, and remove the rear cover. Check the connector JTRANS2 (model 205CP) or JTRANS1 (model 220CP) for proper connection to the system card, the cable for pinch points, and the cable or connector for any other damage. Is the cable damaged? Replace the damaged cable. Go to step 2. 2 Replace the EP drive assembly. Does the error clear? Problem solved. Replace the system card.

• Code: 920.04
• Display: 920.04 POST Error
• Description: Fuser motor not connected.
• Remedy: 1 Turn the printer off, and remove the rear cover. Check the connector JFUSER1 for proper connection to the system card, the cable for pinch points, and the cable or connector for any other damage. Is the cable damaged? Replace the fuser cable. Go to step 2. 2 Remove the fuser. Check the DC autoconnects on both the fuser and the printer for damage. Are the connectors damaged? Replace the DC autoconnect cable. Go to step 3. 3 Check for the following continuity between the DC autoconnect and FUSER1. Is continuity present? Go to step 4. Replace the DC fuser cable. 4 Replace the fuser. Does the error clear? Problem solved. Replace the system card.

• Code: 920.05
• Display: 920.05 POST Error
• Description: Printhead motor not connected.
• Remedy: 1 Replace the printhead card. Does the error clear? Problem solved. Replace the system card.

• Code: 920.06
• Display: 920.06 POST Error
• Description: Input sensor not connected.
• Remedy: 1 Replace the paper pick mechanism. Does the error clear? Problem solved. Replace the system card.

• Code: 920.07
• Display: 920.07 POST Error
• Description: Narrow media sensor not connected.
• Remedy: 1 Turn the printer off, and remove the rear cover. Check the connector JTRAY1 for proper connection to the system card, the cable for pinch points, and the cable or connector for any other damage. Is the cable damaged? Replace the paper pick mechanism. Go to step 2. 2 Check the transparency sensor for correct mounting. Is the transparency sensor properly mounted in the paper pick mechanism? Go to step 3. Remove the paper pick mechanism, properly install the transparency sensor, and reinstall the paper pick mechanism. 3 Replace the paper pick mechanism. Does the error clear? Problem solved. Replace the system card.

• Code: 920.08
• Display: 920.08 POST Error
• Description: Exit sensor not connected.
• Remedy: 1 Turn the printer off, and remove the rear cover. Check the connector JFUSER1 for proper connection to the system card, the cable for pinch points, and the cable or connector for any other damage. Is the cable damaged? Replace the fuser cable. Go to step 2. 2 Remove the fuser. Check the DC autoconnects on both the fuser and the printer for damage. Are the connectors damaged? Replace the JFUSER1 cable. Go to step 3. 3 Check for the following continuity between the DC autoconnect and FUSER1. Is continuity present? Go to step 4. Replace the DC fuser cable. 4 Replace the fuser. Does the error clear? Problem solved. Replace the system card.

• Code: 920.09 ... 920.12
• Display: 920.09-12 POST Error
• Description: One toner sensor not connected.
• Remedy: 1 Turn the printer off, and remove the rear cover. Check the connector JHVPS1 for proper connection to the system card, the cable for pinch points, and the cable or connector for any other damage. Is the cable damaged? Replace the top access cover assembly. Go to step 2. 2 Remove the left cover. Check all the toner level sensor cables connected to the rear of the HVPS for proper connection to HVPS, the cable for pinch points, and the cable or connector for any other damage. Are any of the cables damaged? Replace the damaged sensor. Go to step 3. 3 Disconnect JHVPS1 from the system card and the HVPS. Check for the following continuity. Is continuity present? Go to step 4. Replace the top access cover assembly. 4 Reconnect JHVPS1 cable to the system card and the HVPS. Do not reinstall the left cover, but make sure the front access door and the top cover assembly are closed, and that the waste toner assembly is reinstalled. Turn the printer on. Attach the negative end of the voltmeter to the ground, and check the voltage on pin 1 of each toner level sensor cable. You will need to check this on the back of the HVPS ( Replace the toner level sensor that has 5 V dc on pin 1. Go to step 5. Is there approximately 5 V dc on any of the pins? 5 Replace the HVPS. Does the error clear? Problem solved. Replace the system card.