Ricoh D127 Service Manual page 206

SC Tables
No.
Symptom
Definition
Software performance error
The software attempted to
perform an unexpected
operation.
990 B
Software continuity error
The software attempted to
perform an unexpected
991 D
operation. However, unlike
SC990, the process can keep on
running.
Undefined error
An error not controlled by the
992 B
system occurred (the error does
not come under any other SC
code).
D127/D128

When this error occurs,
the file name, address,
and data will be stored in
NVRAM. This
information can be
checked by using
SP7-403. See the data
and the situation in
which this SC occurs.
Then report the data and
conditions to your
technical control center.
Possible Cause/Countermeasure

Software defective

Internal parameter incorrect

Insufficient working memory

Logged only; the machine can
continue to operate

Defective software program
6-40 SM