Ricoh D131 - Page 543

SC800: Overall System
D131/D132/D133 2-76 SM Appendix
[50B1]
Could not initialize or read the bus connection.
 Defective connection bus
 Defective SSCG
 Replace the motherboard (engine I/F board).
[50B2]
SSCG register value was incorrect.
 Defective connection bus
 Defective SSCG
 Replace the motherboard (engine I/F board).
SC834 D Self-diagnostic error: optional memory GW
[5101]
An error occurred after write/verify check for optional RAM on the
motherboard..
 Defective memory device
 Replace the motherboard (engine I/F board).
SC838 D Self-diagnostic error: Clock generator GW
[2701]
A verify error occurred when setting data was read from the clock
generator via the I2C bus
 Defective clock generator
 Defective I2C bus
 Defective I2C port on the CPU
 Replace the controller board.