Ricoh M281 Series Service Manual page 441

Key to perform reboot
# Cancel key is not displayed.

Turn on spanner LED (same as when an SC is generated).
Operation during SC reboot

Timing of SC reboot
When @Remote is enabled, and when a NRS alarm*1 is not generated, the
corresponding SC is the object of an automatic reboot.
*1 NRS alarm: Issued when an ordinary SC (type D) is generated twice while the total counter
counts 10 times.

Time to automatic reboot
Reboot is performed 30 seconds after an engine reboot is possible, after the end of
post-processing during printing, etc.
At that time, a reboot is performed even if the machine is operating. The engine does not
start process control when a reboot is possible.

Automatic reboot
See the flowchart below.
SM 6-3
Self-Diagnostic Mode
D255/D256/M281/M282