n Affected Models

BM2300 series printers, especially those manufactured between November 26, 2025 and March 10, 2026. Examples include: BM2300AW, BM2300NW, BM2305AW, BM2309AW, BM2309W, BM2310A, BM2310AW, BM2310NW, etc.

n Symptom

When a newly unboxed printer, or after replacing toner cartridge or clearing paper jam, the top cover is closed. During printer warm‑up, the control panel displays error: Close Cover.

n Root Cause

Fuser top cover deformation causes the end part of the fuser top cover to fail to touch the switch spring.

n Temporary Solution

Step1：Lift the platen glass to expose the fuser top cover.

Step2：Press firmly on the area below the white OPEN arrow to seat it into the correct position.

Step3：Close the platen glass. The printer will warm up again and the error will disappear.

Note: Repeat above steps if toner cartridge is removed or paper jam is cleared later.

n Permanent Solution

Replace the fuser top cover. Users may contact local service providers for parts. For replacement video, visit Pantum support website.