Ricoh D017 Service Manual page 419

Service Call Conditions
835 C Self-diagnostic error: Centronic device
Loopback connector is connected but check results in an error.
IEEE1284 connector error
[1102]
Centronic loopback connector defective
Replace the controller board.
Loopback connector is connected but check results in an error.
ASIC device error
[110C]
IEEE1284 connector error
Centronic loopback connector defective
Replace the controller board.
Centronic loopback connector is not connected for detailed self-diagnostic
test.
Centronic loopback connector not connected correctly
[1120]
Centronic loopback connector defective
ASIC device defective
Replace the controller board.
838 B Self-diagnostic Error: Clock Generator
A verify error occurred when setting data was read from the clock generator
via the I2C bus.
Defective clock generator
[2701]
Defective I2C bus
Defective I2C port on the CPU
Replace the controller board.
D017/D018/D019/D020/D084/D085 3-44 SM Appendix