TASKalfa 3500i - Fuser Errors (C6000, C6030, C6050, C6200, C6230, C6250); Check engine firmware version

C6000（Fuser heater broken）,C6030（Fuser thermistor1 broken）, C6050（Fuser thermistor1 low temp error）
C6200（Fuser edge heater broken）, C6230（Fuser thermistor2 broken）, C6250（Fuser thermistor2 low temp
error）
Check whether the contact of fuser unit connection connector is removed.
NG
OK
Check the harness pin at the main machine side is
not removed.
OK
OK
N
G
Change harness
Change of cable wiring at
main machine side.
O
K
Replace the fuser unit
Change of cable wiring
<Check the removal of pin>
Check that the contact is not removed while pulling it lightly.
NG
Check YC26 on engine PCB
Check whether version of engine firmware is [2LF_1000.003.083]or after.
O
K
Version up the firmware
N
G
O
K
OK
N
G
C6030
Other than C6030
OK
NG
302LH46120
Re-insert
NG
O
K
OK
Replace the engine PCB.
O
K
OK
N
G
Replace the harness between engine
PCB and fuser unit.
Replace the heater PCB.
OK
OK
NG
302H746191
OK
OK
<The access saddle relocated>
Wire from connector is
smoothly aligned
Wire alignment: after
Before
Main machine side harness
Wire alignment: before
Access saddle
relocated
After
For 3500i/4500i/5500i
82