Ricoh M0A0, Service Manual

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3.Troubleshooting
18
Code Meaning Suggested Cause/Action

If the same error is frequent, replace the FCU.
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.

The other terminal was incompatible.

Ask the other party to contact the manufacturer.
0-87 The control channel started after an
unsuccessful primary channel.
 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.
0-88 The line was disconnected because PPR
was transmitted/received 9 (default) times
within the same ECM frame.
 Try using a lower data rate at the start.
 Try adjusting the cable equalizer setting.
2-11 Only one V.21 connection flag was
received
Replace the FCU.
2-12 Modem clock irregularity Replace the FCU.
2-13 Modem initialization error  Turn off the machine, then turn it back on.
 Update the modem ROM.
 Replace the FCU.
2-22 Counter overflow error of JBIG chip If error occurs frequently, change the settings for resolution,
paper size, compression type.
2-23 JBIG compression or reconstruction error Turn off the machine, then turn it back on.
2-24 JBIG ASIC error Turn off the machine, then turn it back on.
2-25 JBIG data reconstruction error (BIH error)

JBIG data error

Check the sender’s JBIG function.

Update the FCU ROM.
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
 FCU defective
 Check the destination device.
2-50 The machine resets itself for a fatal FCU
system error
If this is frequent, update the ROM, or replace the FCU.
2-51 The machine resets itself because of a fatal
communication error
If this is frequent, update the ROM, or replace the FCU.
2-53 Snd msg() in the manual task is an error
because the mailbox for the operation task
is full.
The user did the same operation many times, and this gave
too much load to the machine.