Lexmark T650 Series Service Manual

2-118 Service Manual
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Service checks
Sensor (input) service check
Sensor (fuser output) service check
Step Check Yes No
1 Check the sensor (input) for damage.
Is the above component free from damage?
Go to step 2. Replace the
sensor (input).
Go to “Sensor
(input) removal”
on page 4-70.
2
1. Enter the diagnostic mode
2. Select Base 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
Sensor (input).
Go to “Sensor
(input) removal”
on page 4-70.
Replace the
connection.
Step Check Yes No
1 Check the sensor (fuser output) for damage.
Is the above component free from damage?
Go to step 2. Replace fuser unit
assembly.
Go to “Fuser unit
assembly
removal” on
page 4-22.
2
1. Enter the diagnostic mode
2. Select Base 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 fuser
unit assembly.
Go to “Fuser unit
assembly
removal” on
page 4-22.
Replace the
connection.

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