Kyocera TASKalfa 420i Service Manual page 190

2KR/2KS
Code
C2600 PF paper conveying/drive motor error
(optional 3000-sheet paper feeder/
paper feeder)
The lock signal of the motor is detected
above 450 ms.
C3100 Scanner carriage problem
The home position is not correct when
the power is turned on or at the start of
copying using the table.
C3200 Exposure lamp problem
When input value at the time of exposure
lamp illumination does not exceed the
threshold value between 5 s.
1-4-32
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector YC15 on
connector termi- the engine PWB and the connector on the
nals. PF main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem. gears. Check for broken gears and replace if
any.
Defective PF paper Replace the PF paper conveying/drive
conveying/drive motor.
motor.
Defective PWB. Replace the PF main PWB or engine PWB
and check for correct operation.
Poor contact in the Check the connection of connector YC8 on
connector termi- the ISM PWB and the connector of the
nals. home position switch, and the connection of
connector YC7 on the ISM PWB and the
connector on the scanner motor and the
continuity across the connector terminals.
Repair or replace if necessary.
Defective home Replace the scanner home position switch.
position switch.
Defective scanner Replace the scanner motor.
motor.
The mirror frame, Check if the mirror flames and exposure
exposure lamp, or lamp are on the rail. And check the scanner
scanner wire is wire winds correctly.
defective.
Defective PWB. Replace the ISM PWB or ISC PWB and
check for correct operation.
Poor contact in the Check the connection of connector YC5 on
connector termi- the ISM PWB and the connector on the
nals. inverter PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective exposure Replace the exposure lamp or inverter
lamp or inverter PWB.
PWB.
Incorrect shading Adjust the position of the contact glass
position. (shading plate). If the problem still occurs,
replace the home position switch.
Defective PWB. Replace the ISM PWB, ISC PWB or CCD
PWB and check for correct operation.
Remarks