F - 15• ( JAM error )Paper Inlet Jam• Does paper jam at the inlet when the power is turned on?• YES Is the paper located above the sensor plate (inlet)?• YES Remove the paper.• NO Is the sensor plate (inlet) operating normally?• NO Replace the sensor plate (inlet).• YES Replace the power supply/sensor board or inlet sensor.• NO When the paper is fed in, does the paper inlet jam occur?• YES Is the paper being fed to above sensor plate (inlet)?• YES Is the sensor plate (inlet) operating normally?• NO Replace the sensor plate. (inlet)• YES Clean the inlet sensor on the power supply/sensor board orreplace the power supply/sensor board or inlet sensor.• NO Replace the hopping roller shaft assy or paper cassette.• NO Are the hopping roller and feed roller rotating?• YES Set the paper properly.• NO Is the pulse motor turning?• YES Replace the hopping roller shaft assy or one-way clutch gear on the feedroller assy.• NO Is the connector being connected properly?• NO Connect the connector properly.• YES Check the coil resistance (approx. 4.3Ω) of the pulse motor.Is it normal?• NO Replace the stepping motor.• YES Replace the TQSB-2 PCB.
