Electrical/Image Adjustments; Adjustment Of The Maximum Exposure Lamp Voltage For The Manual Mode - Minolta EP1054 Service Manual

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 DIS/REASSEMBLY, ADJUSTMENT
98.04.13
3-4.

ELECTRICAL/IMAGE ADJUSTMENTS

(1) Adjustment of the Maximum Exposure Lamp Voltage for the Manual Mode

Requirement
• Maximum Exposure Lamp voltage: 81 ± 1V (RMS value)
Important
• After the maximum Exposure Lamp voltage has been adjusted, be sure to make the fol-
lowing adjustments: Optimum Exposure Setting in the Manual Mode and Optimum Expo-
sure Setting in the Auto Mode.
1139D005AA
1139D007CA
1151D053CA
1139D011CA
1. Remove the Large Cover. (3 screws)
2. Insert the probes of the multimeter into the recep-
tacles of the Exposure Lamp voltage measurement
connector.
3. On the control panel, press the Meter Count Key,
stop Key, 10-keys "0", 10-keys "0", stop Key, 10-
keys "0", 10-keys "1", 10-keys "1" and then "3" to
set the copier into the F3 Test Mode. (At this time,
the Magnification Ratio Indicator shows the cur-
rently set value and the Multi-Copy Display shown
"F3.")
4. Press the Full Size Key to select the Lamp voltage
setting mode. (The Magnification Ratio Indicator
shows "L + current setting.")
5. Press the Start Key to light up the Exposure Lamp
and, using the Zoom Up/Down Keys, adjust to
obtain the Lamp voltage of 81V.
6. Press the Stop Key to stop the F3 operation. (Or,
the operation will be automatically completed in
about 30 sec.)
7. Press the Panel Reset Key twice (or turn OFF the
Power Switch) to return the copier back into the
normal mode.
NOTE
For the Root Mean Square values and Mean values,
see p. 53-54. Most testers, voltmeters, or multimeters
used in the field show only the mean values.
D-52