Ea-Color Dev. Misinstalled; Eb-Black Dev. Misinstalled; Ec-Print Drum Misinstalled - Xerox DocuPrint C55 Service Manual

EA COLOR DEV. MISINSTALLED
RAP
The Color Developer Module was installed
incorrectly or overtoning has occurred.
INITIAL ACTION
Enter IOT normal diagnostics. Scroll to the
TEST PRINT program and press Form Feed
[1] to run a test print. While the print is
running, observe the KT=__, CT=__, MT=__,
YT=__ values.
If any of the three color (C, M, Y) toner
concentration values are below 10, that color
is overtoned. Refer to ADJ 9.1 EA " Tone
Down" Procedure in Section 4.
If the values are NOT too low, continue with
this RAP.
Remove the Color Developer Module.
Check the Developer Module connector to be
sure it is clean.
Reinstall the Color Developer Module.
If the problem persists, check connector
CN118 for a good connection or any loose
wiring before replacing the Color Developer
Module.
If the problem still exists, replace the PCU
PWB.
DocuPrint C55/C55mp/[NC60]
EB BLACK DEV. MISINSTALLED
RAP
The Black Developer Module was installed
incorrectly or the contacts are dirty.
INITIAL ACTION
Remove the Black Developer Module.
Check for binding in the housing.
Check to be sure that the seal has been
removed.
Check the Developer Module connector to be
sure it is clean.
Reinstall the Black Developer Module.
If the problem persists, check connector
CN107 for a good connection or any loose
wiring before replacing the Black Developer
Module.
If the problem still exists, replace the PCU
PWB.
2/99
2-11
EC PRINT DRUM MISINSTALLED
RAP
The Print Drum Module was
incorrectly or is not making a good connection.
INITIAL ACTION
Remove then reinstall the Print Drum Module.
This problem is usually caused by a poor
connection on the left side of the Print Drum
Module. Three contacts are cammed out
when the Print Drum Module is installed.
These contacts make a connection with the
Drum Link PWB located on the left side of the
Print Drum Module. Check to make sure there
is a good connection and the contacts cam
out.
Refer to BSD 9.2 in Section 7 and check the
Drum Detect (H) signal.
If the problem persists, replace the Print Drum
Module.
If the problem still exists, replace the PCU
PWB.
STATUS INDICATOR RAPs
EA, EB, EC
installed