Code :

Code: 28.6:01
Description: Printhead (color n)
Causes: The Matte Black Printhead (T7100) in slot 6 is deteriorating; the T7100 Monochrome should not experience this error
Remedy: This may impact your print quality. If it becomes unacceptable in the future, replace that printhead with a new one. NOTE: This system error appears only after the printhead is out of warranty.

Code: 28.6:02
Description: Printhead (color n)
Causes: The Matte Black Printhead (T7100) in slot 6 is nearing the end of its useful life; the T7100 Monochrome should not experience this error
Remedy: This printhead may have reached a degradation level that prevents the printer from producing acceptable prints consistently. If it becomes unacceptable in the future, run the Clean (Recover) Printhead procedure. NOTE: This system error appears only after the printhead is out of warranty.

Code: 28.7:01
Description: Printhead (color n)
Causes: The Gray/Dark Gray Printhead (T7100) in slot 7 is deteriorating; the T7100 Monochrome should not experience this error
Remedy: This may impact your print quality. If it becomes unacceptable in the future, replace that printhead with a new one. NOTE: This system error appears only after the printhead is out of warranty.

Code: 28.7:02
Description: Printhead (color n)
Causes: The Gray/Dark Gray Printhead (T7100) in slot 7 is nearing the end of its useful life; the T7100 Monochrome should not experience this error
Remedy: This printhead may have reached a degradation level that prevents the printer from producing acceptable prints consistently. If it becomes unacceptable in the future, run the Clean (Recover) Printhead procedure. NOTE: This system error appears only after the printhead is out of warranty.

Code: 28.8:01
Description: Printhead (color n)
Causes: The Gray/Dark Gray Printhead (T7100) in slot 8 is deteriorating; the T7100 Monochrome should not experience this error
Remedy: This may impact your print quality. If it becomes unacceptable in the future, replace that printhead with a new one. NOTE: This system error appears only after the printhead is out of warranty.

Code: 28.8:02
Description: Printhead (color n)
Causes: The Gray/Dark Gray Printhead (T7100) in slot 8 is nearing the end of its useful life; the T7100 Monochrome should not experience this error
Remedy: This printhead may have reached a degradation level that prevents the printer from producing acceptable prints consistently. If it becomes unacceptable in the future, run the Clean (Recover) Printhead procedure. NOTE: This system error appears only after the printhead is out of warranty.

Code: 29:01
Description: Maintenance Cartridge
Causes: Maintenance Cartridge not inserted correctly
Remedy: • Open the Maintenance Cartridge door on the right-hand side of the printer, make sure that the maintenance cartridge is correctly seated, then close the door. • If the problem persists, replace the Maintenance Cartridge.