Lexmark C780 Service Manual - Page 133
Printer does not recognize that one or more output options as being installed., Remove Paper
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5061 Printer does not recognize that one or more output options as being installed. Step 1 Actions and questions Excessive static electricity buildup-Check the output expander control board cover to make sure the ESD brush ground lead is firmly attached to the output expander frame. Make sure the ESD brush is not loose or damaged. is the ESD brush ground cable correctly installed and the ESD brush not loose or broken? Yes Go to step 2 2 Output expander assembly mechanical linkage (cables)-Check the output expander autoconnect cable and connector for any signs of damage, especially the connector pins. Are there any signs of damage to the cable, connector, or connector pins? 3 Output expander assembly mechanical linkage (electrical)-Check the cables at J1A, J1B, J2A, and J2B on the control board to make sure they are attached securely and correctly. Are the cables attached securely and correctly? 4 Voltage check, base printer autoconnect connector- Turn the power off, remove the output expander option from the printer, and check the voltages on the base printer top autoconnect connector. Go to "Connectors" on page 5-7. Are the voltages correct? 5 Voltage check, output expander system board- Reinstall the output expander option, and check the voltages at J1A and J1B on the connector. Are the voltages correct? Replace the autoconnect cable. Go to step 4 Go to step 5 Replace the output expander option system board. No 1. Attach the ground cable if not installed correctly. 2. Replace the cover assembly if the ESD brush is loose or damaged. Go to step 3 Reseat the cables. The problem is in the base printer. Check autoconnects in the printer. Replace the output expander option mechanical linkage assembly. Remove Paper-Output Bin x is displayed, POST is incomplete unable to clear the message. Step 1 2 Actions and questions Output sensor flag check-Check the flag for correct operation, binds, broken parts, or interference from the sensor cable. Is there a problem with the sensor flag? Output bin sensor-Run the sensor test to check the Output bin sensor for correct operation. Does the sensor operate correctly? Yes Replace the flag or repair as necessary. Contact your next level of support. No Go to step 2 Replace the sensor assembly. If this does not fix the problem, replace the "System board removal" on page 4-89. Diagnostic information 2-91