Lexmark T650 Series Service Manual

2-120 Service Manual
4062
Go Back
Previous
Next
Sensor (duplex input) service check (external duplex only)
Sensor (duplex exit) service check (external duplex only)
3
Check the above sensor for proper connection.
Is the above sensor connected properly?
Replace the
duplex input
sensor assembly
(internal duplex
only).
Go to “Duplex
input sensor
assembly
removal (T652,
T654, T656)” on
page 4-19
or replace the
external duplex
unit assembly
(external duplex
only).
Replace the
connection.
Step Check Yes No
1 Check the sensor (duplex input) for damage.
Is the above component free from damage?
Go to step 2. Replace the
external duplex
unit assembly.
2
1. Enter the diagnostic mode
2. Select Duplex sensor tests
3. Select Sensor test
4. Observe the line item “input”
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
The sensor is
working properly
Go to step 2.
3
Check the above sensor for proper connection.
Is the above sensor connected properly?
Replace the
external duplex
unit assembly.
Replace the
connection.
Step Check Yes No
1 Check the sensor (duplex exit) for damage.
Is the above component free from damage?
Go to step 2. Replace the
external duplex
unit assembly.
2
1. Enter the diagnostic mode
2. Select Duplex sensor tests
3. Select Sensor test
4. Observe the line item “exit”
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
The sensor is
working properly
Go to step 2.
3
Check the above sensor for proper connection.
Is the above sensor connected properly?
Replace the
external duplex
unit assembly.
Replace the
connection.
Step Check Yes No

Lexmark T650 Series Specifications

General

Print Technology	Monochrome Laser
Print Speed	Up to 45 ppm
Print Resolution	1200 x 1200 dpi
Monthly Duty Cycle	Up to 200, 000 pages
Standard Output Capacity	250 sheets
Processor Speed	500 MHz
Connectivity	USB, Ethernet
Maximum Paper Size	8.5 x 14 inches
Operating System Compatibility	Windows, Mac OS, Linux
Memory	128 MB, expandable to 640 MB
Standard Input Capacity	650 sheets