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That is a printhead L abnormal temperature error code.
"Head abnormal temperature rise (head 2 (L))".
Causes listed are
Cause 1: The face is physically damaged from jammed paper or from foreign matter falling
onto the platen.
Cause 2: Printhead Electrical shorting in the head
Cause 3: Electrical Poor head contact
Cause 4: Ink supply system Abnormal head temperature rises caused by non-discharging
Cause 5: Main unit electrical equipment, Faulty carriage (relay) PCB, head relay PCB, flexible cable, main controller.
Things to do for each condition, by Cause #:
Cause 1: With the cover open, check to see if jams have not occurred.
Cause 4: Check that ink is available in the ink. 2F2F (P4-6)
Cause 1: Check to see if a paper cutting failure has not occurred on the most recently used
Cause 1: Check the face of the printhead (to see if it is not flawed by paper or foreign matter).
Cause 2,Cause 3: After removing and inserting the print head, start in service mode to clear the error. Then, restart the printer in normal mode to check to see if the error recurs (possibly poor contact).
(Universal eventual resort:) Replace the head.
Cause 5: Check the main unit electrical equipment.