Dell C1765NF MFP Laser Printer - Manual (Page 302)

300 Understanding Printer Messages
117-331 Turn off the printer, and then on. If this does not solve the problem, contact Dell. See "Contacting Dell" on
page 360.
117-332
117-333
117-334
117-340
117-342
117-343
117-344
117-346
117-348
117-349
117-350
117-351
117-366
124-333
Turn off the printer, and then on. If this does not solve the problem, contact Dell. See "Contacting Dell" on
page 360.
134-211
191-310
193-700
This message indicates the printer is in the non-Dell toner mode.
Error-Code What you can do