• Code: 28.1:01
• Description: Magenta/Yellow Printhead in slot 1 is deteriorating
• 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: 28.1:02
• Description: Magenta/Yellow Printhead in slot 1 nearing the end of its useful life
• 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: 28.2:01
• Description: Magenta/Yellow Printhead in slot 2 is deteriorating
• 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: 28.2:02
• Description: Magenta/Yellow Printhead in slot 2 nearing the end of its useful life
• 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: 28.3:01
• Description: Light Cyan/Light Magenta Printhead in slot 3 is deteriorating
• 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: 28.3:02
• Description: Light Cyan/Light Magenta Printhead in slot 3 nearing the end of its useful life
• 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: 28.4:01
• Description: Light Cyan/Light Magenta Printhead in slot 4 is deteriorating
• 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: 28.4:02
• Description: Light Cyan/Light Magenta Printhead in slot 4 nearing the end of its useful life
• 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.