Electrical Component Defects; Defective Sensor Table - Ricoh FAX180 Service Manual

August 7th, 1995
Code Meaning
6-09 G3 ECM - ERR received
6-10 G3 ECM - error frames
still received at the other
end after all
communication attempts
at 2400 bps
6-11 G3 ECM - printing
impossible because of a
missing first line in the
MMR coding
6-21 V.21 flag detected during
high speed modem
communication
6-39 V.21 signal not stopped
within 6 s

6.4. ELECTRICAL COMPONENT DEFECTS

6.4.1. Defective Sensor Table

Sensor
Document sensor
Scan line sensor
Cover open/Paper end sensor
ELECTRICAL COMPONENT DEFECTS
Suggested Cause/Action
Check for a noisy line.
Adjust the tx levels of the communicating machines.
See code 6-05.
Check for line noise.
Adjust the tx level (use NCU parameter 01 or the
dedicated tx parameter for that address).
Check the line connection.
Defective remote terminal.
Check for problems in the printer mechanism.
The other terminal may be defective or incompatible.
Replace the FCU.
Symptoms if Defective
"CLEAR ORIGINAL" or "DIAL FAX NO." is
displayed at power-up.
"SET DOC. OR DIAL NO." is still displayed
after a document is placed in the feeder.
"CLEAR ORIGINAL" is displayed at power-
up.
"CLEAR ORIGINAL" is displayed soon after
the start of copying.
"REPLACE PAPER" and "CLOSE COVER"
are displayed at power-up.
6-23
TROUBLESHOOTING