Ricoh FT5233 Service Manual page 239

12 February 1992
6. Remove the exposure lamp [A] from the front terminal by moving the
lamp toward the rear.
7. Install a new lamp. Use a strip of paper as shown to hold the lamp.
Reassemble the rear terminal bracket while confirming that the lamp is
properly set by both terminals and the clip [B] is set properly.
NOTE: Make sure that the blister [C] on the lamp points towards the
reflector opening (left side of the copier) as shown.
8. Reassemble the copier.
9. Check the exposure lamp voltage setting [X] by SP48.
10. Check the target lamp voltage [Y] by SP51 (press " • " key for reading).
11. Perform the forced V
12. Check the target lamp voltage by SP51.
13. Perform the forced V
14. Check the target lamp voltage [Z] by SP51 again and confirm that the
voltage [Z] is the same as that in step 12. If not, repeat the forced VL
detection (SP70) until the voltage [Z] does not change.
15. Perform the auto ADS gain adjustment (SP56).
16. Adjust the ADS density (SP34) if necessary.
[C]
detection (SP70) [Y-X] times.
L
detection (SP70) a few more times.
L
5-9
[A]
[B]
OPTICS