Lexmark T650n Service Manual page 107

Error
code or Error contents
message
28x.50 Left tamper home
position jam
x = bin
number Applies to:
StapleSmart finisher
28x.51 Right tamper home
position jam
x = bin
number Applies to:
StapleSmart finisher
28x.52 Paddle control motor
timer error
x = bin
number Applies to:
StapleSmart finisher
28x.53 Eject motor encoder
not detected
x = bin
number Applies to:
StapleSmart finisher
Description/Action
The left tamper home position
is not detected by the sensor
(left tamper HP)
The right tamper home position
is not detected by the sensor
(right tamper HP)
A software failure has occurred
with the output option.
The eject motor encoder is not
detected upon startup
Possible repair actions
1. Check all the connections on
the output option controller
card.
2. Check the tamper drive belt
for damage and replace if
needed.
3. Replace the left tamper
motor assembly.
"Stapler finisher
Go to
tamper drive motor
assembly removal" on
page 4-128.
4. Replace the sensor (tamper
HP).
Go to "Stapler finisher
sensor (tamper HP left and
right) removal" on
page 4-129.
4. Replace the output option if
problem remains.
1. Check all the connections on
the output option controller
card.
2. Check the tamper drive belt
for damage and replace if
needed.
3. Replace the right tamper
motor assembly.
Go to "Stapler finisher
tamper drive motor
assembly removal" on
page 4-128.
4. Replace the sensor (tamper
HP).
Go to "Stapler finisher
sensor (tamper HP left and
right) removal" on
page 4-129.
4. Replace the output option if
problem remains.
1. Turn the machine off/on.
2. Replace the output option if
problem remains.
1. Check all the connections on
the output option controller
card.
2. Replace the output option if
problem remains.
Diagnostic information
4062
2-75