Kyocera 300ci Service Manual page 261

Code
C4100 BD initialization problem
When power is turned on, ASIC of
engine PWB detects a BD error for 1 s
after the polygon motor is activated.
C5101 Main high-voltage K error
Abnormality of charger roller K is
detected when Vpp adjustment.
C5102 Main high-voltage C error
Abnormality of charger roller C is
detected when Vpp adjustment.
C5103 Main high-voltage M error
Abnormality of charger roller M is
detected when Vpp adjustment.
C5104 Main high-voltage Y error
Abnormality of charger roller Y is
detected when Vpp adjustment.
C6000 Fuser heater 1 break
Fuser thermistor 1 detects a temperature
lower than the Ready indication temper-
ature for 90 s during warming up.
Fuser thermistor 1 deduced less than
 
130 C/266 F for 5 s during stand-by.
Fuser thermistor 1 does not reach 75

167 F even after 30 s during warming
up.
Contents

C/
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector YC13 on
connector termi- the engine PWB and laser scanner unit, and
nals. the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective APC Replace the laser scanner unit (see page 1-
PWB BK (inner 5-21).
laser scanner unit)
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Installation defec- Check the mounting state of the charger
tiveness on roller unit K. If any problem is found, repair
charger roller unit or replace the unit.
K.
Defective charger Replace the charger roller unit K (see page
roller unit K. 1-5-36).
Installation defec- Check the mounting state of the charger
tiveness on roller unit C. If any problem is found, repair
charger roller unit or replace the unit.
C.
Defective charger Replace the charger roller unit C (see page
roller unit C. 1-5-36).
Installation defec- Check the mounting state of the charger
tiveness on roller unit M. If any problem is found, repair
charger roller unit or replace the unit.
M.
Defective charger Replace the charger roller unit M (see page
roller unit M. 1-5-36).
Installation defec- Check the mounting state of the charger
tiveness on roller unit Y. If any problem is found, repair
charger roller unit or replace the unit.
Y.
Defective charger Replace the charger roller unit Y (see page
roller unit Y. 1-5-36).
Defective fuser Check for continuity across each heater. If
heater 1. none, replace the fuser unit (see page 1-5-
41).
Defective fuser Check for continuity across thermostat. If
thermostat 1. none, remove the cause and replace the
fuser unit (see page 1-5-41).
Measure the resistance. If it is  , replace
Installation defec-
tiveness on fuser the fuser unit (see page 1-5-41).
thermistor 1.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
2JZ/2JX/2JV/2H7-1
Remarks
1-4-43