Iq21 Developer Bias Rap - Xerox DocuColor 2240 Service Manual

IQ21 Developer Bias RAP

Procedure
HIGH VOLTAGE!
Exercise caution when performing the voltage checks in this procedure.
Enter dC140 [09-026]. Check the voltage at
approximately 370 VAC and -540 VDC (+/- 10%) present. The voltages are within range.
Y N
There is +24 VDC from P/J501 pin 13 to
Y N
There is +24 VDC from P/J553
Y N
Go the +24 VDC Wirenets to troubleshoot this problem.
Go to Flag 2. Check for an open circuit
Check that the HVPS Control PWB is seated correctly. If the problem continues, replace
the DEV/BTR2/DTS HVPS (PL 9.1).
Go to Flag 1. Check for an open circuit or a short circuit to ground. Check
terminals on the Developer Housing(s). for damage or loose connections. If the checks are
good, return the RAP from which you came.
Image Quality
IQ21
WARNING
P/J580 for the affected color(s). There should be
P/J501 pin 10 on the DEV/BTR2/DTS HVPS.
pin 2 to P/J553 pin 4 on the I/F PWB
P/J580 and the HV
09/03
3-22
Initial issue
DC 3535/2240/1632, WC M24