Olivetti PG L22 Special, Service Manual, Page: 148 / 165

Y103920-3 Service Manual
148
• ( 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 or replace 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 feed roller
assy.
• NO Is the connector being connected properly?
• NO Connect the connector properly.
• YES Check the coil resistance (approx. 4.3ý) of the pulse motor.
Is it normal?
• NO Replace the stepping motor.
• YES Replace the GRT PCB.