Ricoh M0A0 Service Manual page 644

3.Troubleshooting
Code
0-86 The line was disconnected because the
other terminal requested a data rate using
MPh that was not available in the currently
selected symbol rate.
0-87 The control channel started after an
unsuccessful primary channel.
0-88 The line was disconnected because PPR
was transmitted/received 9 (default) times
within the same ECM frame.
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)
2-29 JBIG trailing edge maker error
2-50 The machine resets itself for a fatal FCU
system error
2-51 The machine resets itself because of a fatal
communication error
2-53 Snd msg() in the manual task is an error
because the mailbox for the operation task
is full.
18
Meaning Suggested Cause/Action

If the same error is frequent, replace the FCU.

The other terminal was incompatible.

Ask the other party to contact the manufacturer.

The receiving terminal restarted the control channel
because data reception in the primary channel was not
successful.

This does not result in an error communication.

Try using a lower data rate at the start.

Try adjusting the cable equalizer setting.
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.
The user did the same operation many times, and this gave
too much load to the machine.