Brother MFC5890CN
Troubleshooting. Image Defect 1
Image Defects
| Problem | Action to be taken |
|---|---|
| (1) Completely blank | At the scanner Check that the document is placed facing in the correct direction. In ADF scanning, is the document placed face up in the document tray? In flat-bed scanning, is the document placed face down on the scanner glass? Check the following components: - Scanner cover (CIS flat cable) - Main PCB |
| At the printer • Check the ink cartridges. If any cartridges have run out of ink, replace them. • Perform a head cleaning operation. • Check the connection of the head flat cables on the main PCB. (If either of those cables is broken or damaged, replace it.) • Check the head property data. • Replace the head/carriage unit. • 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. • Check that the drain tubes are not bent. |
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| (2) Random color | At the scanner Check that the document is placed facing in the correct direction. In ADF scanning, is the document placed face up in the document tray? In flat-bed scanning, is the document placed face down on the scanner glass? Check the following components: - Scanner cover (CIS flat cable) - Main PCB |
| At the printer • Check the ink cartridges. If any cartridges have run out of ink, replace them. • Perform a head cleaning operation. • Check the connection of the head flat cables on the main PCB. (If either of those cables is broken or damaged, replace it.) • Check the head property data. • Replace the head/carriage unit. • 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. • Check that the drain tubes are not bent. |
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| (3) All black | At the scanner Check the following components: - Scanner cover (CIS flat cable) - Main PCB |
| At the printer Check the following components: - Head/carriage unit and carriage PCB ASSY - Main PCB |