Ricoh D131 Service Manual page 960

Code
2-11 Only one V.21 connection flag
was received
2-12 Modem clock irregularity
2-13 Modem initialization error
2-22 Counter overflow error of
JBIG chip
2-23 JBIG compression or
reconstruction error
2-24 JBIG ASIC error
2-25 JBIG data reconstruction error
(BIH error)
2-26 JBIG data reconstruction error
(Float marker error)
2-27 JBIG data reconstruction error
(End marker error)
2-28 JBIG data reconstruction error
(Timeout)
JBIG trailing edge maker error 
2-29
2-50 The machine resets itself for a
fatal FCU system error
2-51 The machine resets itself
because of a fatal
communication error
D619
Meaning Suggested Cause/Action

Replace the FCU.

Replace the FCU.

Turn off the machine, then turn it back on.

Update the modem ROM.

Replace the FCU.
If error occurs frequently, change the settings
for resolution, paper size, compression type.
Turn off the machine, then turn it back on.

Turn off the machine, then turn it back on.

JBIG data error

Check the sender's JBIG function.

Update the FCU ROM.
FCU defective

Check the destination device.

If this is frequent, update the ROM, or
replace the FCU.

If this is frequent, update the ROM, or
replace the FCU.
68 SM