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Check item
1. Check the thermistors
2. Check the heater
3. Check the LGC board
4. Check the ground
connection of the heat
roller
5. Check the power supply Replace the switching regulator.
6. Clear the status counter
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1. Check if the connectors are disconnected.
2. Check if the center, side and edge thermistors are in contact with the
surface of the fuser roller properly?
3. Check if the center, side and edge thermistors are not deformed or
dirty.
4. Check if the harnesses of the center, side and edge thermistors are
open circuited.
1. Check if the heater is broken.
2. Check if the connector of the heater is disconnected.
3. Check if the harnesses are connected properly to the terminals of
the heater lamp.
4. Check if the thermostat is blown.
1. Check if the connectors CN308 are disconnected.
2. Check if the conductor pattern on the LGC board is short circuited or
open circuited.
3. Replace the LGC board.
1. Check if the fuser unit is tightly screwed to the equipment with no
gap.
Notes:
•
Tighten the screws while pressing the fuser unit with your
hand.
•
Using a driver is reccomended to fix the fuser unit.
2. Check if the grounding leaf spring in the fuser unit is in contact due
to deformation.
•
Change the current status counter value (08-2002) "4" to "0" for
[C430] and "5", "7" or "9" to "0" for [C440], taking the same
procedure as that for [C410].
* The status counter value is as follows in the following c ases.
Change them to "0" respectively.
-
The error occurred during warming-up: "4" or "5"
-
The error occurred after the equipment has become ready: "7"
-
The temperature detected by the center thermistor is 240°C or
higher: "9"
-
The temperature detected by the side thermistor is 240°C or
higher: "9"
-
The temperature detected by the edge thermistor is 240°C or
higher: "9" only during printing.
8 - 131
Measure
Fig.8-1
ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
8
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