August 2nd, 1995TROUBLESHOOTING
SERVICE CALL CONDITIONS
Symptom: Charger Leak (Error Code 9-17)
This error occurs in either of the following conditions:
? If FDU CN21-8 stayed low for 3 s or more while the charge corona is on (sub-code 11)
? If FDU CN21-8 stayed low for 3 s or more while the charge corona is off (sub-code 12)
CheckAction if YesAction if No
1. Clean the charge corona wire and unit. Check the if the charge wire is cut off and
replace the CTM if it is broken.
2. If the sub-code is 11, do the following. If the sub-code is 12, go to step 5.
3. Are all of the charge biasGo to step 4.Secure the connections
terminals connected ?and/or replace the CTM or
development unit.
4. Replace the power packReplac.e the FDU or FCE.
Does the problem still
remain?
5. If the sub-code is 12, do the following.
6. Does CN21-3 stay lowReplace the FDU or FCE.Go to step 7.
while in standby mode ?
7. Does CN21-8 stay lowReplace the power pack.
while in standby mode ?
Symptom: LD Failure (Error Code 9-20)
This error occurs in the following condition:
? The laser synchronization signal was not detected within 10 ms of the start of printing
(sub-code 21)
CheckAction if YesAction if No
Check that all the laser optic components are aligned correctly and clean them if
necessary.
Check that the optical foperlyibre is pr set.
Check the connection between the FDU (CN26) and the LDDR.
Check that the polygonal mirror motor and LDDR are correctly positioned.
If the problem still remains, replace the LDDR, FDU or FCE.
6-27 |
ACEC
