Lexmark X748dte - ADF Jam Sensor Service Check; 284.01, 290.26-ADF Cover Open Service Check

Diagnostic information 2-143
7526
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ADF jam sensor service check
282.01, 284.01, 290.26—ADF cover open service check
Step Questions / actions Yes No
1 1. Turn the printer off.
2. Open the ADF front cover.
3. Turn the wheel.
Is the wheel (A) damaged?
Replace the ADF case
assembly. See “ADF case
assembly removal” on
page 4-239.
Go to step 2.
2
1. Remove the ADF front cover. See “ADF
front cover removal” on page 4-217.
2. Remove the ADF motor side cover. See
“ADF motor side cover removal” on
page 4-221.
3. Open the ADF case assembly.
Are the connectors (A) seated correctly?
Replace the ADF case
assembly. See “ADF case
assembly removal” on
page 4-239.
Reseat the connectors.
Step Questions / actions Yes No
1 1. Open the ADF cover.
2. Check the ADF cover sensor flag for any
damage.
Is the flag damaged?
Replace the flag. See
“ADF closed cover flag
removal” on page 4-242.
Go to step 2.
2
1. Check if the ADF cover can close
properly.
2. Check for damages and obstruction.
3. Check the ADF top cover latch for any
damage.
Is the ADF cover damaged?
Replace the scanner front
cover assembly. See
“Scanner front cover
removal” on page 4-232
Go to step 3.