94
Phaser 740 and 740L Laser Printers
4
Troubleshooting
Error codes
If the printer’s front panel displays a message Error XX, find the error code in this
table and follow the instructions for resolving the problem.
Error User Corrective Action
Error 01
■ Remove and re-install black Toner Cartridge, then turn the printer
off and on.
■ Replace black Toner Cartridge, then turn the printer off and on.
■ If problem persists, check www2.tek.com/merlin/tko and/or
contact Service.
Error 02
■ Remove and re-install cyan Toner Cartridge, then turn the printer
off and on.
■ Replace cyan Toner Cartridge, then turn the printer off and on.
■ If problem persists, check www2.tek.com/merlin/tko and/or
contact Service.
Error 03
■ Remove and re-install magenta Toner Cartridge, then turn the
printer off and on.
■ Replace magenta Toner Cartridge, then turn the printer off and on.
■ If problem persists, check www2.tek.com/merlin/tko and/or
contact Service.
Error 04
■ Remove and re-install yellow Toner Cartridge, then turn the printer
off and on.
■ Replace yellow Toner Cartridge, then turn the printer off and on.
■ If problem persists, check www2.tek.com/merlin/tko and/or
contact Service.
Error 05, 10, 11,
12, and 13
■ Turn the printer power off, then on.
■ If problem persists, check www2.tek.com/merlin/tko and/or
contact Service.
Error 20
■ Remove and re-install Imaging Unit (make sure that Imaging Unit
is locked in place). Turn the printer off, then on.
■ Remove and re-install Main Charge Grid. Turn the printer off, then
on.
■ Remove and re-install Transfer Kit. Turn the printer off, then on.
■ Remove and re-install each of the Toner Cartridges. Turn the
printer off, then on.
■ Replace Main Charge Grid. Turn the printer off, then on.
■ Replace Imaging Unit (make sure that Imaging Unit is locked in
place). Turn the printer off, then on.
■ Replace Transfer Kit. Turn the printer off, then on.
■ Replace the Toner Cartridges. Turn the printer off, then on.
■ If problem persists, check www2.tek.com/merlin/tko and/or
contact Service.
