Ricoh M281 Series Service Manual page 499

No. Type
SC816-26
D
to 28
SC816-29,
D
30
SC816-35 D
SC816-36
D
to 96
SC 816-99 D
SM
Error Name/Error Condition/Major Cause/Solution
write() communication retry error
read() communication retry error
read() error
Subsystem error
Subsystem error
Energy save I/O subsystem detected some abnormality.

Energy save I/O subsystem defective

Energy save I/O subsystem detected a controller board error
(non-response).

Error was detected during preparation for transition to STR.

SC816-99 occurs as a subsystem error except any error
from -06 to 96.
Check if the SC occurs by turning the power OFF then ON. If the
SC occurs again, do the following steps. Check if the SC
reoccurs by cycling the power after each step.
1. Update the following firmware and the other system firmware
to the latest version.

MP 501/601: "System/Copy" firmware

SP 5300/5310: "System" firmware
2. Disable the STR shift function by SP5-191-001 (Power Str
Set).
3. Replace the controller board.
6-61
Service Call 816-899
D255/D256/M281/M282