Kyocera PF-760, Service Manual

Page: 33 / 59

5H8-1
1-4-6
C1130 PF right lift position problem
Level switch 2 does not turn on within 30
s of PF lift motor 1 turning on.
Poor contact in the
connector termi-
nals. Check the connection of connector YC27 on
the engine PWB and the connector on the
PF main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective level
switch 2. Check if YC5-7 on the PF main PWB goes
low when level switch 2 is turned off. If not,
replace PF lift switch 2.
Defective PF lift
motor 1. Check for continuity across the coil. If none,
replace PF lift motor 1.
The PF right lift
does not rise prop-
erly. Check the gears and belts, and remedy if
necessary.
C1800 Paper feeder communication error
A communication error from paper
feeder is detected 10 times in succes-
sion.
Poor contact in the
connector termi-
nals. Check the connection of connector YC27 on
the engine PWB and the connector on the
PF main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective PWB. Replace the PF main PWB or engine PWB
and check for correct operation.
C1900 Paper feeder EEPROM error
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 YC27 on
the engine PWB and the connector on the
PF 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.
C2600 PF paper conveying motor error
The lock signal of the motor is detected
above 450 ms.
Poor contact in the
connector termi-
nals. Check the connection of connector on the
engine PWB and the connector on the PF
main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective drive
transmission sys-
tem. Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
Defective PWB. Replace the PF main PWB or engine PWB
and check for correct operation.
Defective paper PF
conveying motor. Replace the PF paper conveying motor.
Code Contents
Remarks
Causes Check procedures/corrective measures
Service Manual Y11 2030 - 5