NovaJet 500/630/700 Series Service Manual
Table 4-1. Troubleshooting Table (cont).
| Symptoms | Possible cause | Solution |
|
| Image Skews or |
|
|
|
| Moves | • dirty encoder | clean encoder |
|
|
|
| ||
|
| strip | strip (top and |
|
|
|
| bottom) |
|
| Does Not Print | • bad connection | reseat cable |
|
|
|
| ||
|
| between computer | connections on |
|
|
| and printer | computer and |
|
|
|
| printer |
|
|
| • firmware is | refresh EEPROM |
|
|
| corrupted | firmware with new |
|
|
|
| download |
|
|
| • faulty quad flex | replace quad flex |
|
|
| cable | cable or complete |
|
|
|
| carriage assembly |
|
|
| • bad MPCB | replace MPCB |
|
| Ink Cartridge |
|
|
|
| Misfiring | • cartridge low on | refill or replace |
|
|
|
| ||
|
| ink | cartridge |
|
|
| • firing rate set | adjust firing rate |
|
|
| too fast | lower (optimum |
|
|
|
| is 5) |
|
|
|
|
|
|
|
|
|
|
|
TROUBLE- SHOOTING
Troubleshooting
