Brother MFC5895CN
Troubleshooting. Image Defect 3
Image Defects
| Problem | Action to be taken |
|---|---|
| (7) Ink splash | Printer • Perform the purge operation (Function code 76) several times to remove dust or air bubbles from its nozzles. • Check the ink cartridges. Any of them has run out of ink or the ink viscosity has been increased, so replace it. • Check the head property data • Check that the main drain tube is not bent. • Replace the head/carriage unit. • Replace the main PCB. • Replace the power supply PCB. • Replace the maintenance unit. |
| (8) Print edges not aligned | Printer • Check the alignment of vertical print lines with Function code 65 in the maintenance mode. • Perform the print head skew compensation with the head skew adjuster knob. • Check the head/carriage unit. • Check the CR encoder strip for stains or scratches. (If the CR encoder strip is not hooked properly, correct it.) • Correct the positioning error of the head/carriage unit. • Check the height adjustment mechanism of the head/carriage unit • If the "head-platen gap offset" is enabled with assurance mode switch AMS 02 (Function code 88), align the vertical print lines (Function code 65). |
| (9) Random missing dots | Printer • Perform the purge operation (Function code 76) several times to remove dust or air bubbles from its nozzles. • Check the ink cartridges. If any cartridges have run out of ink, replace them. • Check that the carriage-head flat cable is connected to the carriage PCB. • Replace the head/carriage unit. • Check the connection of the head flat cables on the main PCB. (If either of those cables is broken or damaged, replace it.) • Replace the main PCB. • Clean the head caps and wiper of the maintenance unit with a Rubycel stick. For the cleaning procedure, refer "CLEANING THE MAINTENANCE UNIT." • Replace the maintenance unit. |