Question
What is a 'DIMM' in an HP LaserJet and how can it relate to error 49?
Asked by: USER2677
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Answer (69)
DIMMs (Dual In-line Memory Modules) are memory cards installed in the printer. If a DIMM is faulty, not seated correctly, or incompatible, it can cause memory errors that affect the firmware's operation, leading to a 49 service error.