Ips Fan - Xerox DocuColor 2240 Service Manual

6-355 IPS Fan

The control logic detects an IPS Fan failure.
Procedure
Enter dC330 [006-014] and select Start. The IPS FAN
Y N
Switch off the power. Remove the Platen Glass
Switch on the power. Enter dC330
between the IIT/IPS PWB P/J722-B8 (+) and GND.
Y N
Replace the IIT/IPS PWB (PL
Switch the power off. Check the continuity of the following
• Between the IIT/IPS PWB P/J722-B8 and the IPS FAN P/J738-1
• Between the IIT/IPS PWB P/J722-B9 and the IPS FAN P/J738-2
• Between the IIT/IPS PWB P/J722-B10 and the IPS FAN P/J738-3
• Between the IIT/IPS PWB P/J722-B11 and the IPS FAN P/J738-4
Less than 5 ohms is measured.
Y N
Repair the wire.
Replace the IPS FAN (PL 18.4).
Switch off the power. Remove the Platen Glass
on the power. +3.3 VDC is measured at the IIT/IPS P/J722-B10
Y N
Replace the IIT/IPS PWB (PL 18.3).
Check the wire from IIT/IPS PWB P/J722-B10 to the IPS Fan connector P/J738-3 for an open
circuit. If the wire is good, replace the IPS FAN
Status Indicator RAPs
6-355
(PL 18.4) energizes.
(REP 6.2) and the IPS Cover
[006-014] and select Start. +24VDC is
18.3).
(Figure 1).
(REP 6.2) and the IPS Cover (PL
(PL 18.4).
(PL 18.3).
measured
18.3). Switch
02/03
2-100
Figure 1 6-355 RAP Circuit Diagram - IPS Fan
Initial issue
DC 3535/2240/1632