CBM1000 Service Manual
l Printing failure
Phenomenon |
| Cause |
| Check Method |
| Remedy |
|
| |||||
No printing | Faulty DC output volt- | Check | whether | the | Use | the | specified | AC | |||||
| age | from | the | AC | specified AC adapter is | adapter. |
|
|
|
| |||
| adapter |
|
| used. |
|
|
|
|
|
|
|
| |
| Faulty control PCB assy |
|
|
| Replace the control PCB | ||||||||
|
|
|
|
|
|
|
| assy. |
|
|
|
|
|
| Faulty connection of the | Check connection of the | Connect | the | thermal | ||||||||
| thermal head connector | thermal head connector. | head | connector | prop- | ||||||||
|
|
|
|
|
|
|
| erly. | Or | replace |
| the | |
|
|
|
|
|
|
|
| head cable assy. |
|
| |||
|
|
|
|
|
|
|
|
| |||||
| Faulty thermal head |
|
|
|
| Replace | the | thermal | |||||
|
|
|
|
|
|
|
| head. |
|
|
|
|
|
Partly not printed | Faulty connection of the | Check connection of the | Connect | the | thermal | ||||||||
| thermal head connector | thermal head connector. | head | connector | prop- | ||||||||
|
|
|
|
|
|
|
| erly. | Or | replace |
| the | |
|
|
|
|
|
|
|
| head cable assy. |
|
| |||
| Faulty thermal head |
|
|
|
| Replace | the | thermal | |||||
|
|
|
|
|
|
|
| head. |
|
|
|
|
|
Faint printout or | Faulty DC output volt- | Check | whether | the | Use | the | specified | AC | |||||
uneven printout | age | from | the | AC | specified AC adapter is | adapter. |
|
|
|
| |||
| adapter |
|
| used. |
|
|
|
|
|
|
|
| |
|
|
|
|
| |||||||||
| Low DC output voltage | Check | the DC voltage | Supply the specified AC | |||||||||
| from the AC adapter |
| with a DC voltmeter. | voltage | to | the |
| AC | |||||
|
|
|
|
|
|
|
| adapter. |
|
|
|
| |
| Faulty thermal head |
|
|
|
| Replace | the | thermal | |||||
|
|
|
|
|
|
|
| head. |
|
|
|
|
|
| Foreign substance | is | Check whether any for- | Dip a cotton swab or | |||||||||
| adhered to the thermal | eign | substances | are | soft cloth in ethyl alco- | ||||||||
| head. |
|
|
| adhered to the thermal | hol and wipe the foreign | |||||||
|
|
|
|
| head. |
|
| substances with them. | |||||
| Check whether the pa- | Replace | it | with |
| the | |||||||
| per is used. |
|
| per being used | meets | specified paper. |
|
| |||||
|
|
|
|
| the specification. |
|
|
|
|
|
|
| |
| Faulty mounting of the | Check mounting condi- | Mount the platen roller | ||||||||||
| platen roller |
|
| tion of the platen roller. | properly. |
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
– 20 – | CITIZEN |
