Kyocera KM-3050 - Page 167

2GN/2GP/2GR
1-4-27
C1120 Paper feeder left lift position problem
(optional 3000-sheet paper feeder)
Paper feeder switch 2 does not turn on
within 30 s of paper feeder lift motor 1
turning on.
Poor contact in the
connector termi-
nals.
Check the connection of connector on the
engine PWB and the connector on the paper
feeder main PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective paper
feeder lift switch 2.
Check if YC5-7 on the paper feeder main
PWB goes low when paper feeder lift switch
2 is turned off. If not, replace paper feeder lift
switch 2.
Defective paper
feeder lift motor 1.
Check for continuity across the coil. If none,
replace paper feeder lift motor 1.
The paper feeder
left lift does not rise
properly.
Check the gears and belts, and remedy if
necessary.
C1130 Paper feeder right lift position prob-
lem (optional 3000-sheet paper
feeder)
Paper feeder switch 1 does not turn on
within 30 s of paper feeder lift motor 2
turning on.
Poor contact in the
connector termi-
nals.
Check the connection of connector on the
engine PWB and the connector on the paper
feeder main PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective paper
feeder lift switch 1.
Check if YC5-4 on the paper feeder main
PWB goes low when paper feeder lift switch
1 is turned off. If not, replace paper feeder lift
switch 1.
Defective paper
feeder lift motor 2.
Check for continuity across the coil. If none,
replace paper feeder lift motor 2.
The paper feeder
right lift does not
rise properly.
Check the gears and belts, and remedy if
necessary.
C1800 Paper feeder unit communication
problem (optional paper feeder/3000-
sheet paper feeder)
No communication: there is no reply
after 5 retries.
Abnormal communication: a communica-
tion error (parity or checksum error) is
detected five times in succession.
Poor contact in the
connector termi-
nals.
Check the connection of connector on the
engine PWB and the connector on the paper
feeder main PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Defective paper
feeder main PWB.
Replace the paper feeder main PWB and
check for correct operation.
C1900 Paper feeder EEPROM error (optional
paper feeder)
When writing the data, the write data and
the read data is not continuously in
agreement three times.
Poor contact in the
connector termi-
nals.
Check the connection of connector on the
engine PWB and the connector on the paper
feeder main PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Defective paper
feeder.
Replace the paper feeder with another unit
and check the operation. If the operation is
normal, replace or repair optional paper
feeder.
Code Contents
Remarks
Causes Check procedures/corrective measures