Panasonic DP1510P Error Codes list and fixing solutions – Compatible Printer model: Panasonic DP1510P – Panasonic DP1510P Error Code List and description errors: Code: E1-20 Description: Laser Unit Horizontal Synchronization Causes: 1. LPC3 PCB connector(s) is disconnected. 2. LPC3 PCB is defective. 3. LSU is defective. 4. LVPS connector is disconnected. 5. LVPS is defective. […]