A. System power on and click touch screen power no response.
Check : (1) use AVO meter to measure the main board F1 and F2 fuse if burn.
(2) measure power board fuse if burn and replace a new one.
(3) check main board all data cables and wire if connecting well or silvers damage.
B. Ink and error icon alternate flash, printer driver monitor show service request.
Check: open the USB disk R2000 reset file’s Adjprogcracked to rest the waste ink pad monitor then restart the printer.
C. When print nozzle check only some color comes other color lost.
Check:(1) head cleaning or manual suck waste ink tube to check the ink if comes.
（2）look the ink bottle ink if low and refill ink.
(3) take off a print head and use the cleaning solution to flush and look head nozzle if blocked.