Description: When the light source (fluorescent lamp) was OFF, no A/D reference values of CCD video signals could be detected since it is less than the lower limit.
Description: The carriage cannot travel to the right or left.
Causes: Before checking the following components, check the carriage movement as described in (Note 1) given on the next page. • Carriage ASSY • Encoder strip (Any stains or scratches? Hooked correctly?) • Paper feed motor • Hook switch PCB • Main PCB • Power supply PCB • Flushing box • Purge unit • CR base ASSY • Ink empty sensor PCB