Sbu (Sensor Board Unit) Calibration - Ricoh LDD280 Service Manual

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SCANNER UNIT

3.3.6 SBU (SENSOR BOARD UNIT) CALIBRATION

Purpose: To do the SBU auto calibration at these times:
• When the ECU is replaced (this is not necessary if you put the old RAM on the
new MBU)
• When the SBU is replaced
• When the standard white plate located behind the original scale is replaced.
1. Put about 10 sheets of paper on the exposure glass.
2. Turn on the main switch and access the SP mode (Clear Modes ⇒ 1 ⇒ 0 ⇒ 7
⇒ Clear/Stop).
3. Select SP6-005-1.
4. Push the "Run" key to start.
NOTE: When the sequence is successful, "Completed" is shown on the
display.
C262/C265
3-12
SM

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