Roland RA640 Mainboard Roland SJ-1045 stable temperature control and proper

stable temperature control and proper flushing procedure

confirm by old relay model and wiring position

dry place away from direct sunlight and heat

photos of the connector or installed position

photos of the installed area and the current error or symptom if you are not fully sure

Roland RA640 Mainboard Roland SJ-1045 stable temperature control and properProduct Overview Roland RA640 Mainboard is a Roland RA 640 printer spare part for service, repair or preventive maintenance. It is intended for technicians and print shops that need to match the installed part accurately before ordering. Part Number and Compatibility Reference Part Number Confirm by board number Compatible Printers Roland RA 640 Part Type Mainboard Condition Confirm condition by batch Important: Roland RA 640 has water based and