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Chapter 1 Troubleshooting
7. Preventive maintenance
When visiting the customer, perform the maintenance work other than the original purpose to avoid any
trouble that may arise.
Procedure for preventive maintenance
1) Check how the customer is using the machine.
2) Write down the cumulative print count.
Use the cumulative print count as a guide of replacing periodic replacement parts.
Replace the periodic replacement parts as required.
3) Print several piece of paper to check no problem.
4) Remove foreign articles on BTR ASSY, FUSER ASSY and paper transfer rolls, and clean stains
with a brush and dry waste cloth.
When stains is heavy, clean with dampened cloth, and then clean with dry cloth.
Be careful not to damage the parts to be cleaned.
5) Cleaning the fan exhaust
Remove COVER REAR, and clean the dust on MAIN FAN with a brush.
Remove COVER FRONT, and clean the dust on FAN SUB.
The clogged exhaust and fan cause a temperature rise inside and failures.
6) Print several piece of paper again to check no problem.
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