Diagnostic information 2-115
7510
843.00 Sensor (scanner HP) error
2
Check all connections of the ADF controller card assembly.
Are the connections of the ADF controller card assembly
connected properly?
Go to step 3. Replace all
connections.
3
Perform a POR.
Does the error remain when the power is turned off/on?
Replace the
ADF controller
card assembly.
Go to “ADF
controller card
assembly
removal” on
page 4-138.
Problem solved.
4
Perform a POR.
Does the error remain when the power is turned off/on?
Replace the
scanner
controller card
assembly.
Go to “Scanner
controller card
assembly
removal” on
page 4-123.
Problem solved.
Step Check Yes No
1 Check the scanner carriage rails.
Is there any foreign substance on the scanner rails?
Clean and
lubricate the
scanner carriage
rails.
Go to step 2.
2
Check the sensor (scanner HP) for operation.
1. Enter the Diagnostics Menu.
2. Touch SCANNER TESTS.
3. Touch Sensor Tests.
4. Touch Scanner HP.
Does the display on the operator panel, change every time the
sensing area of the above sensor is interrupted or blocked?
Go to step 4. Go to step 3.
3
Check the sensor (scanner HP) for connection.
Is the above component properly connected?
Replace the
sensor (scanner
HP).
Go to “Sensor
(scanner HP)
removal” on
page 4-124.
Replace the
connection.
Step Check Yes No