Sharp AL1520 Printer with list Error Codes and Epson B42 Adjustment Program – Printer model: Sharp AL1520 – Error codes on Sharp AL1520 with details instruction fixing: Code: CH Description: TD cartridge not installed Causes: Check if TD cartridge is installed. Code: E7-03 Description: HSYNC cannot be detected. Causes: LSU (laser diode, reception element, APC […]