NovaJet 500/630/700 Series Service Manual
Table 4-1. Troubleshooting Table (cont).
| Symptoms | Possible cause | Solution |
|
| Internal ERROR | • dirty encoder | perform Encoder |
|
| “Carriage Axis | strip | Strip Cleaning |
|
| Failure” (cont) |
| procedure |
|
|
| • dirt under the | remove carriage |
|
|
| carriage bushings | bushings and clean |
|
|
| • damaged | replace encoder |
|
|
| encoder strip | strip |
|
|
| • bad encoder | replace encoder |
|
|
| sensor | sensor |
|
|
| • worn carriage | replace carriage |
|
|
| bushings | bushings |
|
|
| • loose trailing | remove power and |
|
|
| cable connections | reseat trailing cable |
|
|
|
| connections at the |
|
|
|
| MPCB and the |
|
|
|
| carriage assembly |
|
|
| • cutter assembly | replace cutter |
|
|
| malfunction | assembly |
|
|
| • damaged | 1) check idler/ |
|
|
| carriage drive | tension assembly |
|
|
| belt system |
|
|
|
|
| 2) check carriage |
|
|
|
| belt |
|
|
| • faulty trailing | replace trailing |
|
|
| cable | cable |
|
|
|
|
|
|
|
|
|
|
|
