Olivetti ECR 6800, Руководство по обслуживанию

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Y108540-8 Service Manual 4-1
PROBLEM CAUSE/CHECKS CORRECTIVE ACTION
The printer does not print • The control switch is set to the • Slide the control switch to the
is working; sales receipt not REG1 position (journal printing only) REG2 position.
The printer does not print • Check the electrical connections • Replace the printer assy. If the
and the printhead is not moving. between the printer assy and the main problem persists, replace the
board. main board.
The receipt paper does not • Check the paper path to make sure • Open the printer compartment
move or is not fed properly. there are no paper jams. cover and clear any paper jam.
• Check the electrical connections • Replace the printer assy. If the
between the printer assy and the main problem persists, replace the
board. main board.
The display does not come on. • Check the electrical connections • Replace the display assy.
between the display and the main If the problem persists, replace
board. the main board.
The paper does not rewind • Check the electrical connections • Replace the paper rewind
correctly. between the rewind motor and the motor. If the problem persists,
main board. replace the main board.
The cash register does not • Make sure that the cash register • Plug the power cord to
power on. is plugged into a working electrical a working electrical outlet
outlet (220-240 Vac, 50/60 Hz).
• Make sure that the fuse on the • Replace the fuse. If the problem
main board has not blown. persists, replace the main
board.
• Check the AC voltage output from • Replace the transformer if no or
the transformer. incorrect output voltage is
measured. If the transformer
works correctly, replace the
main board.
Nothing is input when you • Check the connection between the • Replace the keypad assy.
press the keys on the keypad. keypad and main board. If the problem persists, replace
the main board assy.
The control switch does not • Replace the keypad/control
select the functions available. switch assy.
4. TROUBLESHOOTING AND ELECTRONIC CIRCUITRY
This chapter provides you with repair information and the circuitry diagrams for all the cash register models
described in this manual (ECR 6800/6900/6920F). If the cash register malfunctions, refer initially to the
following table and check the possible cause then proceed with the related corrective action.
More troubleshooting information is provided throughout the
chapter.
4.1 GENERAL REPAIR PROCEDURES