Control panel message Description Recommended action
50.X FUSER ERROR
For help press
A fuser error has occurred. The values for X
are listed below.
●
50.1: Low fuser temperature of
thermistor (TH1)
●
50.2: Fuser warm-up service
●
50.3: High fuser temperature of
thermistor (TH1)
●
50.4: Faulty fuser (drive circuit failure)
●
50.8: Lower fuser temperature of
thermistor (TH2)
●
50.9: High fuser temperature of
thermistor (TH2)
1. Power cycle the product to determine if
the error is persistent.
2. Verify that the correct fuser model is
installed in the product.
3. Verify that the correct voltage fuser is
installed in the product.
4. 50.2 errors: Make sure that the
connectors J8002 and J1505 are fully
seated on the ECU, and connector J18
is fully seated on the fuser.
5. 50.1, 50.3, 50.8, and 50.9 errors: Make
sure that the connectors J18 and J1608
are fully seated on the ECU.
6. 50.8 errors: Remove the fuser and
make sure that there is no residual
media or toner has built up on the fuser.
7. 50.4 errors: Make sure that the power
to the product meets the specifications
for the product.
NOTE: If the power supplied to the
product is outside the specifications, the
fuser temperature control circuit will not
properly work, causing a fuser
malfunction.
Make sure that the connector J1002 and
J1505 are fully seated on the ECU.
If the error persists, replace the ECU.
8. If the error persists, replace the fuser.
51.XY ERROR
To continue turn off then on
A laser/scanner error has occurred. 1. From the DIAGNOSTICS menu, run the
laser/scanner motor component test.
Verify that you can hear the motor
rotate.
2. If you cannot hear the motor rotate,
verify that connector J1702 and
connector J1505 are fully seated on the
DC controller PCA (ECU).
3. Verify that the connector J100 on the
laser/scanner assembly is securely
attached.
4. If the error persists, replace the laser/
scanner assembly.
Table 3-7 Control-panel messages (continued)
202 Chapter 3 Solve problems ENWW
