Code :

Code: 920.01
Description: POST Error
Multipurpose feeder/duplex motor assembly not connected.
Remedy: 1 1. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal”. 3. Check the cable in connector JFPCK1 for proper connection to the system board, the cable for pinch points, and the cable or connector for any other damage. Is the cable damaged? Replace the paper pick mechanism. See “Paper pick mechanism assembly removal”. Go to step 2.

Code: 920.02
Description: POST Error
Tray 1 motor not connected.
Remedy: 1 Turn the printer off, and then remove the rear frame cover. See “Rear frame cover removal”. Check the cable in connector JFDPCK1 (A) for proper connection to the system board, the cable for pinch points, and the cable or connector for any other damage. Is the cable damaged? Replace the paper pick mechanism. See “Paper pick mechanism assembly removal”. Go to step 2.
2 Measure the resistance across fuse F13 on the system board. Is the fuse blown? Replace the system board. See “System board removal”. Go to step 3.
3 1. Disconnect the cable in the connector JFDPCK1. 2. Connect the cable for the new paper pick mechanism. 3. Select PRINT TESTS, and press Select ( ). 4. Select Tray 1 and press Select ( ). 5. Select Single, and press Select ( ). Does the new pick motor turn before the feed error occurred? Replace the paper pick mechanism. See “Paper pick mechanism assembly removal”. Replace the system board. See “System board removal”.

Code: 920.03
Description: POST Error
Transfer module not connected.
Remedy: 1 Open the front access door. Reseat the transport cable. Does the error clear? Problem resolved. Go to step 2.
2 Turn the printer off, and then remove the rear frame cover. See “Rear frame cover removal”. Reseat the transport cable in connector JTPS1 (A). Does the error clear? Problem resolved. Go to step 3.
3 Check the transport cable in connector JTPS1 for pinch points and for any other damage to the cable or connector. Is the cable damaged? Replace the transport cable. See “Transport cable removal”. Go to step 4.
4 Check the continuity at JTPS1, pins 1–10). Is there continuity? Go to step 5. Replace the cartridge motor1/fuser motor cable. See “Cartridge motor 1/ fuser cable removal”.
5 Replace the transport belt assembly. See “Transfer module removal”. Does the error clear? Problem resolved. Replace the system board. See “System board removal”.

Code: 920.04
Description: POST Error
Fuser motor not connected.
Remedy: 1 Turn the printer off, and then remove the rear frame cover. See “Rear frame cover removal”. Reseat the cables in connectors JCARTP1 (A) and JCARTS1 (B). Does the error clear? Problem resolved. Go to step 2.
2 Check the cartridge motor 1/fuser cable in connector JCARTP1 and JCARTS1 for pinch points and the cables or connectors for any other damage. Are the cables damaged? Replace the cartridge motor1/fuser cable. See “Cartridge motor 1/fuser cable removal”. Go to step 3.
3 Remove the right cover.See “Right cover removal”. Check the cartridge motor 1/fuser motor cable (A) for proper connection to the EP drive assembly, pinch points for the cable, and damage to the cable or connector. Is either cable damaged? Replace the cartridge motor 1/fuser motor cable. See “Cartridge motor 1/ fuser cable removal”. Go to step 4.
4 Check the continuity of JCARTP1, pins 4, 5, and 6 and JCARTS1, pins 7 through 12. Is there continuity? Go to step 5. Replace the cartridge motor 1/fuser motor cable. See “Cartridge motor 1/ fuser cable removal”.
5 Replace the EP drive assembly. See “Electrophotographic (EP) drive assembly removal”. Does the error clear? Problem resolved. Replace the system board. See “System board removal”.

Code: 920.05
Description: POST Error
Printhead motor not connected
Remedy: 1 1. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal”. 3. Reseat the cables in connector JMIRR1 (A). Does the error clear? Problem resolved. Go to step 2.
2 Check the cables in connector JMIRR1 for pinch points and any other damage to the cables or connectors. Is the cable damaged? Replace the printhead. See “Printhead removal, installation, and adjustment”. Go to step 3.
3 Measure the resistance across fuse F6 (A) on the system board. Is the fuse blown? Replace the system board. See “System board removal”. Go to step 4.
4 1. Perform the printhead verification to check whether the new printhead solves the problem. See “Printhead verification”. 2. Select PRINTHEAD TESTS, and press Select( ). 3. Select Mirror Motor Test, and press Select ( ). Did the mirror motor pass the test? Replace the printhead. See “Printhead removal, installation, and adjustment”. Replace the system board. See “System board removal”.

Code: 920.06
Description: POST Error
Input sensor not connected.
Remedy: 1 Is the input sensor flag damaged? Replace the paper pick mechanism. See “Paper pick mechanism assembly removal”. Go to step 2.
2 1. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal”. 3. Check the cable in connector JTRAY1 for proper connection to the system board, for pinch points, and any other damage to the cable or connector. Is the cable damaged? Replace the paper pick mechanism. See “Paper pick mechanism assembly removal”. Go to step 3.
3 1. Disconnect the cable in connector JTRAY1. 2. Connect the cable from the new paper pick assembly in the connector TRAY2. 3. Bring the printer up in Diagnostics Menu (turn off the printer, press and hold and . and turn on the printer). 4. Select SENSOR TESTS, and press Select( ). 5. Select Dynamic Sensors, and press Select( ). 6. Select Input, and press Select( ). 7. Activate the input sensor. pin 2 and ground, and POR the printer. Did the input sensor change from Open to Closed? Replace the paper pick mechanism. See “Paper pick mechanism assembly removal”. Replace the system board. See “System board removal”.

Code: 920.07
Description: POST Error
Narrow media sensor not connected.
Remedy: 1 Turn the printer off, and then remove the rear frame cover. See “Rear frame cover removal”. Reseat the cable in connector JTRAY1. Does the error clear? Problem resolved. Go to step 2.
2 Check the cable in connector JTRAY1 for pinch points and the cable or connector for any other damage. Is the cable damaged? Replace the paper pick mechanism. See “Paper pick mechanism assembly removal”. Go to step 3.
3 POR the printer. Place a voltmeter between JTRAY1, pin 4, and ground (pin 1). Does the meter read 5 V dc? Go to step 4. Replace the system board. See “System board removal”.
4 1. Disconnect the cable in JTRAY1. 2. Connect the cable from the new paper pick mechanism. 3. Bring the printer up in Diagnostic menu (turn off the printer, press and hold and . and turn on the printer). 4. Select SENSOR TESTS, and press Select( ). 5. Select Dynamic Sensors, and press Select( ). 6. Select Narrow Media, and press Select( ). 7. Activate the narrow media sensor. Did the narrow media sensor change from Closed to Open? Remove the paper pick mechanism. See “Paper pick mechanism assembly removal”. Replace the system board. See “System board removal”.