124Most Frequent Problems and SolutionsProblem Corrective ActionPoor print quality• dark print• light print• light print on half of the page• missing dots or characters• smeared print• wavy vertical lines• Adjust the forms thickness lever setting. Print qualitycan be affected if it is too loose or too tight.• Adjust the paper tension horizontally by movingthe right tractor. Print quality can be affected if it istoo loose or too tight.• Make sure the ribbon threads between thehammerbank cover and ribbon mask, as shown onthe ribbon path diagram on the pedestal models. Turnthe ribbon cartridge knob clockwise to ensure that theribbon tracks correctly in the ribbon path.• Be sure to use an approved ribbon.Torn or damaged forms • Reset the forms thickness lever for thicker paper.• Adjust the paper tension horizontally by movingthe right tractor. Too high a paper tension cancause tearing of the tractor feed holes.• Check the paper slot for foreign material.• For thick, multipart forms, set the OPEN PLATEN @BOF to enable. Refer to the Printer Control Menu inthe Administrator’s Manual.Loss of forms position • Set the forms thickness lever for thicker paper.Lost dots (incompletely formedcharacters)Horizontally or verticallymisaligned character positionsErratic character heightVertically misaligned print• Lower the forms thickness lever.• Adjust the paper tension horizontally by movingthe right tractor. Print quality can be affected if it istoo loose or too tight.• Clear the paper path of any obstructions.• If problems persists, contact a service representative.Diagnostics for EXX, BAD NVM, or ILL NVM ErrorsIf the printer displays LCD error messages such as ‘E03E DSI CXIWX”, “BAD NVM”, or “ILL NVM”, rebootthe printer (turn power on and off) and continue. If the problem persists, then invoke a diagnostic optionthat will capture the failure dump in a flash file that can be later uploaded from PrintNet Enterprise Suiteand sent to TallyGenicom Customer Support Center for analysis (see Appendix D, page 159).This diagnostic option must be enabled for the printer to capture the information. If you choose to performthis diagnostic perform the following procedure:1. Within the Test menu, set the Auto Dump option to Enable.2. When the failure happens, reboot the printer and wait for it to power up again.3. Within the Config Menu, go to the Main File Mgmt Submenu and then to View File List.