Printronix P4280 - Platen Open

3–13Troubleshooting
Platen Open
Instruction Indication Yes No
1. Load paper. —
Step 2.
—
2. Close forms thickness lever. —
Step 3.
—
3. Run a diagnostic self–test
(page 3–27).
“Platen Open” message. Replace platen
interlock switch
assembly (page
5–84).
Return printer to
normal operation.