3.19.2 ARDF ..........................................................................................3-179
ARDF side-to-side and leading edge registration..............................3-179
3.19.3 REGISTRATION .........................................................................3-180
Image Area .......................................................................................3-180
Leading Edge....................................................................................3-180
Side to Side.......................................................................................3-180
Paper Registration Standard.............................................................3-180
Copy Mode........................................................................................3-185
Printer Mode .....................................................................................3-189
4. TROUBLESHOOTING .................................................................4-1
4.1.1 OVERVIEW ......................................................................................4-1
4.1.2 RECOVERY METHODS...................................................................4-1
4.2.1 SP2181 030 (ALIGNMENT RESULT) ERRORS...............................4-6
4.2.2 COLOR REGISTRATION ERROR ADJUSTMENT ........................4-10
Color Registration Error Correction .....................................................4-10
Color Skew Error Correction ...............................................................4-12
Overall Check .....................................................................................4-13
Color Registration at the Left and Right Folds of the Test Pattern ......4-13
4.2.3 SP3812 001 (DevSetup Execute) ERRORS...................................4-15
4.2.4 PROCESS CONTROL TROUBLESHOOTING...............................4-16
Process Control Self-Check: SP3821 .................................................4-17
4.3.1 SERVICE MODE LOCK/UNLOCK..................................................4-25
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