Ricoh Aficio MP201SPF Service Manual page 210

SC Tables
No.
Definition
827 Self-diagnostic Error: RAM
[0201] B
[0202] B
828 Self-diagnostic Error: ROM
[0101] B
829 B
D115/D116
Symptom
Verification error
Error is detected during a
write/verify check for the
standard RAM (SDRAM DIMM).
Resident memory error
The SPD values in all RAM
DIMM are incorrect or
unreadable.
Boost lap code error
The boot monitor and OS
program stored in the ROM
DIMM is checked. If the check
sum of the program is incorrect,
this SC code is displayed.
Self-diagnostic Error: Optional RAM
Verify error for optional RAM.
[0301]
Verification error (Slot 1)
[0302]
Composition error (Slot 1)
6-22
Possible Cause/Countermeasure
Loose connection
Defective SDRAM DIMM
Defective controller
1. Replace the SDRAM DIMM.
2. Replace the controller.
Defective RAM DIMM
Defective SPD ROM on RAM
DIMM
Defective 12C bus
1. Replace the RAM DIMM.
Defective ROM DIMM
Defective controller
1. Replace the ROM DIMM.
2. Replace the controller.
Make sure that the resident RAM
is installed in the correct slot.
Make sure the optional RAM is
installed in the correct slot (Slot
0)
SM