Exposure Lamp - Xerox DocuColor 2240 Service Manual

6-371 Exposure Lamp

Open circuit of the Lamp was detected.
Procedure
Enter dC330 [006-002]. Press Start. The Exposure Lamp illuminates.
Y N
Switch off the power. Remove the Platen Glass
Switch the power on. (Refer to Figure
IPS PWB to ground (-).
Y N
There is +24VDC from P/J724-1 to P/J724-4 on the IIT/IPS PWB.
Y N
Replace the IIT/IPS PWB
Replace the Lamp Wire Harness
If the problem continues, replace the Lamp Ballast PWB
If the problem continues, replace the IIT/IPS PWB
Enter dC 330 [006-002] and select Start. The voltage at P/J724-3 drops to approxi-
mately 7.5 VDC.
Y N
Replace the IIT/IPS PWB (PL
Replace the Exposure Lamp (PL 18.6).
If the problem continues, replace the Lamp Wire Harness
If the problem continues, replace Lamp Ballast PWB
Check the following:
• The White Reference Strip, under the frame that is below the Registration Edge, for
excessive contamination (REP 6.13).
• The optical light path for contamination.
If the Strip and optics are clean, replace the Exposure Lamp
If the problem continues, replace the Lamp Ballast PWB
If the problem continues, replace the IIT/IPS PWB
Initial issue
DC 3535/2240/1632, WC M24
(REP 6.2) and the IPS Cover
1.) There is +24VDC from P/J724-3 on the IIT/
(PL 18.3).
(PL 18.6).
(PL 18.6).
(PL 18.3).
18.3).
(PL 18.6).
(PL 18.6).
(PL 18.6).
(PL 18.6).
(PL 18.3).
(PL 18.3).
Figure 1 6-371 RAP Circuit Diagram - Exposure Lamp
09/03
2-107
Status Indicator RAPs
6-371