Lexmark C782 Service Manual - Page 98

5061 Step 3 Actions and questions Is 930 error still displayed? Yes Replace the LVPS assembly. See "LVPS assembly removal" on page 4-53. No Problem resolved 940.xx error code service check • 940.02-cyan toner metering cycle (TMC) problem • 940.05-cyan toner metering timeout problem The TMC is where the code and electronics in the printer sense an addition of toner in the cartridge developing area. If the printer is expecting a toner addition cycle but one is not detected, a 94x.xx TMC Error is displayed. Replacement of the cartridge may fix the problem temporarily if the problem is with the printer. Only replace the cartridge if there are no problems with the printer or if the cartridge is known to be defective. Note: Before proceeding with this service check, observe the error log for repetitive occurrences of a 94x.xx service error. Step 1 Actions and questions Check the toner metering cam (A) on the rear of the cyan cartridge. Note: In some cartridges, the toner metering cam is black. Yes Go to step 2 No If the toner metering cam is not present, check the printer to make sure it is not inside. Replace the damaged cartridge. A Is the cam present on the cartridge? 2-56 Service Manual