Kyocera TASKalfa 7002i Service Manual page 1295

C7480: Toner collection fan motor 2 error
The lock-up is detected for 5s continuously while the toner collection fan motor 2 is driving.
Step Check description
1 Checking the connection
2 Replacing the toner collec-
tion box
3 Firmware upgrade
4 Replacing the engine PWB The engine PWB is faulty.
C7602: ID sensor error
• Dark potential error: The sensor output value (FrontDarkP and FrontDardS) is less than 0.15V, or more than
0.80V. • Light potential error: FrontBrightS is less than FrontDarkS, or FrontBrightP is less than Front-
DarkP+0.5V.
Step Check description
1 Cleaning the ID sensor
2 Checking the ID sensor
shutter
3 Checking the connection
4 Replacing the cleaning
solenoid
5 Checking the ID sensor
6 Checking the connection
Assumed cause
The connector is not prop-
erly connected. Or, the
wire is faulty.
The toner collection fan
motor is faulty.
The firmware is not the lat-
est version.
Assumed cause
The ID sensor is dirty.
The ID sensor shutter does
not operate properly.
The connector is not prop-
erly connected. Or, the
wire is faulty.
The cleaning solenoid is
faulty.
The ID sensor is not prop-
erly attached.
The connector is not prop-
erly connected. Or, the
wire is faulty.
7-435
Measures
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • Toner collection
fan motor 2 - Engine PWB
Execute U037 [Toner]. If the
operation is faulty, replace
the toner collection box.
Upgrade the engine firmware
to the latest version
Replace the engine PWB.
Measures
Clean the ID sensor surface.
If the ID sensor shutter does
not operate properly when
executing U033 [ID Sensor] ,
reattach the cleaning sole-
noid.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • Cleaning solenoid
- Relay PWB • Relay PWB -
Feed PWB • Feed PWB -
Engine PWB
Replace the cleaning sole-
noid.
Reattach the ID sensor.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • ID sensor - Feed
PWB
2WA/2NJ/2RK
Reference
Wiring dia-
gram
Firmware
Update
Reference
Executing
U033
Wiring dia-
gram
Wiring dia-
gram