Panasonic FP-7818 Service Manual & Parts Manual page 114

(5) U6: Copier paper feed cover failure
*The copier does not indicate READY TO COPY when the copier paper feed cover is closed.
Is the paper feed cover closed securely?
YES
Does CN5-7, 9, 11 (output signal of CPU)
change when the paper feed cover is
opened and closed?
(6) U7: System console (option) paper feed cover failure
*The copier does not indicate READY TO COPY when the system console paper feed cover is closed.
Is the paper feed cover closed securely?
YES
Does CN611 (output signal of system
console driver) change when the paper
feed cover is opened and closed?
YES
System console drive PCB is defective.
(Refer to system console Service Manual)
(7) U10: ADF (option) failure
*The copier does not indicate READY TO COPY when the original is placed onto the original feed tray.
Is the ADF closed securely?
YES
Is the ADF entry cover closed securely?
YES
Is the ADF exit cover closed securely?
YES
Refer to the ADF Service Manual.
(8) U11: Sorter copy paper removal
*When the Staple Sort or Sort mode is selected:
Copies are already in at least one bin.
Any bin receives more than 25 copies as a result of the use of the ADF.
Any bin receives a copy which is an unsuitable size for stapler use.
Any bin receives a double feed from the duplex unit.
NOTE: To clear U11, all paper must be removed from all bins.
NO Close the paper feed cover securely.
NO Check DC5V of the tray detecting sensor.
Detected: Cover sensor is defective.
Not detected: Check DC5V line.
NO Close the paper feed cover securely.
NO Check DC5V of the system console driver.
Detected: Cover sensor is defective.
Not detected: Check DC5V line.
NO Close the ADF securely.
NO Close the entry cover securely.
NO Close the exit cover securely.
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