Xerox B310 Service Manual page 97

Error code
121.05
121.10
121.11
121.12
121.13
121.14
121.20
121.22
121.23
121.24
121.28
121.32
121.33
121.34
121.50
121.52
Description
During an attempt to heat up, the
fuser relay was open and the
micro-controller was reporting an
error.
Fuser did not reach the required
temperature during the start of
EWC/line voltage detection.
Fuser reached the required
temperature too late during the
final EWC/line voltage detection.
Fuser did not reach the required
temperature during the final EWC/
line voltage detection.
Fuser reached the required
temperature too fast during the
final EWC/line voltage detection.
Fuser is heating too fast.
Fuser did not reach the required
temperature during steady state
control. This can occur during
printing or in standby mode.
Open fuser relay was detected.
Fuser relay was turned off, but the
feedback to the engine code
indicated that it was still open.
Fuser did not reach the required
temperature during the final EWC/
line voltage detection.
Fuser did not reach the required
temperature during EP warm-up.
Fuser did not reach the required
temperature at 100% power.
Fuser did not reach the required
temperature while page is in the
fuser).
Fuser did not reach the required
temperature during steady state
control.
Fuser went over the required
temperature during global over-
temp check.
Main thermistor temperature is
out of range.
Diagnostics and Troubleshooting
Action
Xerox B310 Printer
®
Service Manual
97