Lexmark MS711 - Sensor (Mailbox Pass Through) Jam Service Check

Error code Description Action
459.72 HPU home position sensor was not detected. Go to “HPU motor jam service check” on page
200.
459.75 A communication error occurred between the HPU
and the stapler.
Go to “HPU communication error jam service
check” on page 201
459.81 HPU motor jammed. Go to “HPU motor jam service check” on page
200.
459.84 Sensor (HPU media align) was blocked. Go to “Sensor (HPU media align) jam service check”
on page 196.
459.85 Media remains detected by the sensor (HPU trailing
edge).
Go to “Sensor (HPU trailing edge) jam service
check” on page 197.
459.86 Media remains detected by the sensor (HPU media
align).
Go to “Sensor (HPU media align) jam service check”
on page 196.
459.87 Media fed did not reach the sensor (HPU trailing edge)
on time.
Go to “Sensor (HPU trailing edge) jam service
check” on page 197.
459.89 The leading edge of the fed media did not reach the
sensor (HPU media align) on time after DMID.
Go to “HPU communication error jam service
check” on page 201.
459.90 The leading edge of the fed media did not reach the
sensor (HPU media align) on time.
Go to “Sensor (HPU media align) jam service check”
on page 196.
459.91 Media fed did not leave the sensor (HPU media align)
on time.
Go to “HPU communication error jam service
check” on page 201.
459.92 Media fed did not leave the sensor (HPU leading edge)
on time.
Go to “HPU communication error jam service
check” on page 201.
459.94 Media remains detected by the sensor (HPU leading
edge).
Go to “HPU communication error jam service
check” on page 201.
459.93 Media fed did not leave the sensor (HPU trailing edge)
on time.
Go to “Sensor (HPU trailing edge) jam service
check” on page 197.
Sensor (mailbox pass through) jam service check
Action Yes No
Step 1
a POR the printer.
b Reseat all the installed output options on the printer.
c Clear obstructions along the paper path.
d Close the rear door properly.
Does the error remain?
Go to step 2. The problem is solved.
Step 2
Is the mailbox the only output option installed?
Go to step 5. Go to step 3.
4063
Diagnostic information
139