Olivetti ECR 6800, Руководство по обслуживанию

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Y108540-8 Service Manual 4-23
Motor and thermal head drive timing
Fig. 4-23
Division Printing Timing Chart
4.17.1 PRINTER TROUBLESHOOTING
PROBLEM CORRECTIVE ACTION
The printer does not print Check the voltage (DC +7.6V) at point (1) of the next figure:
or does not feed paper. • If this voltage is output correctly, replace the mainboard or the printer.
• If this voltage is not output correctly, check the power supply circuit.
Printing is faded Replace the mainboard.
Cannot clear the head-up Check the voltage at point (2) of the next figure:
or paper end sensors • If DC +5.0V is output correctly, replace the mainboard.
• If DC +5.0V is not output correctly, replace the printer.