Troubleshooting - Ricoh A193 Service Manual

5. TROUBLESHOOTING

5.1 SC681 (A224 Copier only)
The copier shows "SC681" on the display in either of the following cases.
A224 Copier
S C 6 8 1
A
A224 Copier
S C 6 8 1
B
A. The A639 Fax Unit is installed in an A224 copier.
B. The A804 Fax Unit installed in the A224 copier is booted up from the
external A639 ROMs.
In these cases, the A224 copier will show SC681 when A639 Fax software is
detected at power-on. To fix this problem, turn off the machine and replace
the A) Fax Unit or B) ROMs with correct one(s).
SM
A639
Fax Unit
A804
Fax Unit
7-23
TROUBLESHOOTING
A639
R O M
A804T501.wmf
(A804)