Can you keep using it?
Can you keep using it?
Contact customer support if any of these apply
- !Door A jams return immediately after a full clear.
- !You cannot remove the jam without forcing parts or the door will not seat correctly afterward.
What to check first
Step-by-step checks
- 1
Consumable check
Open door A carefully and remove any visible jammed paper or scraps.
Start with the official recovery step before moving on to parts or deeper servicing.
- 2
Safe first step
Check the fuser and duplex path before closing the door and retrying.
- 3
Escalate
Use flat, supported media for the next test print.
Background
What this message usually means
Lexmark uses the Paper jam in door A workflow on the C4342 and XC4342 family when a sheet is stuck in the fuser area or duplex path behind door A. It is usually a rear-path jam that needs a careful clear before printing resumes.
Before the message
What users usually notice first
Messages like this often appear after a hidden paper-path interruption, tray setup issue, or a small obstruction that is easier to miss than a full visible jam.
Diagnosis
Likely causes
Paper stalled in the fuser or duplex path.
A torn scrap remains behind door A.
The printer is working with media that curls badly or does not clear the rear path.
Service
When service or replacement is more likely
- -This is the rear/fuser-side jam workflow for the family.
Avoid wrong turns
Common misreads of this message
- -Treating the message like a confirmed failed part instead of a support clue about which system has stopped the printer.
- -Assuming no physical path issue exists just because no full sheet is visible at first glance.
See also
Related codes in this family
Explore more
More Lexmark printer families
Read this next
Helpful guides for this problem
Boundary
When to stop troubleshooting and move to support
Use the message once to classify the problem, then move to support if the printer still cannot return to ready after the first safe checks.
Keep browsing
Where to go next
Source notes
Lexmark's XC4342 support video for door A says this path covers paper jam removal in the fuser area or duplex unit.
Built around official Lexmark user-guide and support-video guidance for the C4342 and XC4342 family. Exact jam headers and consumables wording can vary slightly by model and installed options.
Printer error codes can vary a little by firmware, region, and exact model variant. Use this guide as a family-level starting point and stop if the next step would require disassembly or service-mode changes.
Known family variants: C4342, XC4342, XC4352
Last reviewed: 2026-04-12
Reference: Open reference