Ricoh D072 Service Manual page 279

SC Tables (F/SPF: D068/D069)
829
B
835 Self-diagnostic error: Centronic device
[1102] C
[110C] C
[1120] C
838
B
[2701]
D067/D068/D069/D072
Self-diagnostic Error: Optional RAM
Verify error for optional RAM.
[0301]
Verification error (Slot 1)
[0302]
Composition error (Slot 1)
Loopback connector is
connected but check results in
an error.
Loopback connector is
connected but check results in
an error.
Centronic loopback connector
is not connected for detailed
self-diagnostic test.
Self-diagnostic Error: Clock Generator
A verify error occurred when
setting data was read from the
clock generator via the I2C
bus.
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)
IEEE1284 connector error
Centronic loopback connector
defective
1. Replace the controller board.
ASIC device error
IEEE1284 connector error
Centronic loopback connector
defective
1. Replace the controller board.
Centronic loopback connector
not connected correctly
Centronic loopback connector
defective
ASIC device defective
1. Replace the controller board.
Defective clock generator
Defective I2C bus
Defective I2C port on the CPU
1. Replace the controller board.
3-24 SM Appendix