84 Defective [color] imaging unit
The specified imaging unit is either missing or not functioning properly. Try one or more of the following:
• Remove the specified imaging unit, and then reinstall it.
• Remove the specified imaging unit , and then install a new one.
84.xx [color] imaging unit nearly low
1 Order a replacement imaging unit.
2 When print quality is reduced, install the new imaging unit, following the instruction sheet that came with the
replacement part.
3 Touch Continue to clear the message and continue printing.
84.xx [color] imaging unit low
1 Order a replacement imaging unit immediately.
2 When print quality is reduced, install the new imaging unit, following the instruction sheet that came with the
replacement part.
3 Touch Continue to clear the message and continue printing.
84.xx Replace [color] imaging unit and [color] cartridge
1 Replace the imaging unit and color cartridge, following the instruction sheets that came with the replacement parts.
2 Touch Continue to clear the message and continue printing.
84 Unsupported [color] imaging unit
Replace the specified imaging unit to continue printing.
88.xx [color] cartridge nearly low
1 Order a replacement toner cartridge.
2 Remove the specified cartridge.
3 Firmly shake the cartridge side‑to‑side and front‑to‑back several times to redistribute the toner.
4 Reinsert the cartridge, and then touch Continue to clear the message and continue printing.
Note: Repeat this procedure multiple times until the print remains faded, and then replace the cartridge.
88.xx [color] cartridge low
1 Order a replacement toner cartridge immediately.
2 Remove the specified cartridge.
Troubleshooting 274
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