OKIDATA Microline 395 Service Handbook page 105

%4.4 Troubleshooting Tips - Preliminary Checks
4.4 TROUBLESHOOTING TIPS
4.4.01 Preliminary Checks
1. Is the product being operated under the proper ambient conditions?
2. Does the paper being used meet the specifications for this product?
3. Has the ribbon been replaced as recommended?
4. Has the ribbon been installed properly?
5. Is an Okidata ribbon being used?
6. Is the printhead gap correctly set?
ML395 ( 96-02-03 )