Lexmark T650 Service Manual page 69

Error
code or Error contents
message
230.20 Internal duplex drive
motor lost encoder
failure
Source = Internal
duplex
231.00 Sensor (duplex input)
late jam
Source = External
duplex
232.00 Sensor (duplex input)
lingering jam
Source = External
duplex
233.00 Sensor (duplex
double-feed) late jam
Source = External
duplex
Description/Action
The internal duplex drive motor
is not reporting pulses back to
the engine.
Media is late reaching the
sensor (duplex input) within the
specified time.
Media reached the sensor
(duplex input) but did not clear
it in the specified time.
Media is late reaching the
sensor (duplex double-feed)
within the specified time.
Possible repair actions
1. Remove all media present
in media path.
2. Check all connections on
the duplex media entrance
drive motor assembly.
3. Check all connections on
the system card assembly.
4. Replace the duplex drive
motor assembly if problem
"Duplex
remains. Go to
drive motor assembly
removal (T652, T654)" on
page 4-19.
Go to sensor (duplex input) late
jam service check.
"Sensor (duplex input)
See
late jam service check." on
page 2-141.
Go to sensor (duplex input)
lingering jam service check.
See "Sensor (pass through)
late jam service check" on
page 2-145.
1. Remove all media present
in media path.
2. Check for obstructions in
media path.
3. Ensure the external duplex
assembly is properly
installed.
4. Ensure the rear door of the
external duplex is fully
closed.
5. Check all connections on
the external duplex
assembly.
6. Replace the external
duplex assembly if problem
remains.
Diagnostic information
4062
2-35