Ricoh FAX7000L, Field Service Manual

Page: 182 / 377

- Tools Required -
• Scan line test chart - P/N H0089503
• 200 dpi test pattern - P/N A0129110
• Allen wrench
- Preparation -
1. Remove the top cover (see section 3-1-4).
2. Set the oscilloscope scale to 0.2 V/unit
(vertical) and 0.5 ms/unit (horizontal).
3. Connect the oscilloscope probe to the
XVIDEO test point and the ground to the
GND test point on the SBU.
4. Clean the white pressure plate with a soft
cloth and alcohol.
5. Light the fluorescent lamps (see page 2-
33).
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