Specifications

4–14 Troubleshooting
Platen Open
Instruction Indication Yes No
1. Load paper and close the
forms thickness lever.
—
Go to step 2.
—
2. Run a diagnostic self–test
(page 4–27).
“Platen Open” message. Replace platen
interlock switch
assembly. Go to
step 3.
Return printer to
normal operation.
3. Run a diagnostic self–test
(page 4–27).
“Platen Open” message. Replace sensor
harness assembly.
Go to step 4.
Return printer to
normal operation.
4. Run a diagnostic self–test
(page 4–27).
“Platen Open” message. Replace the
controller board.
Return printer to
normal operation.