Ricoh B132 Service Manual page 20

3.18.11 ARDF TRANSPORT BELT.......................................................3-165
Removing the ARDF Transport Belt Assembly .................................3-165
Removing the Belt.............................................................................3-166
Reinstalling the Belt ..........................................................................3-168
Reattaching the White Cover ............................................................3-169
3.18.12 ARDF CONTROL BOARD........................................................3-170
3.18.13 ARDF BOTTOM PLATE LIFT MOTOR.....................................3-171
3.18.14 ARDF FEED MOTOR, ARDF TRANSPORT MOTOR ..............3-172
3.18.15 ARDF PICKUP ROLLER LIFT MOTOR....................................3-173
3.19 IMAGE ADJUSTMENTS .....................................................................3-174
3.19.1 SCANNING.................................................................................3-174
Scanner sub-scan magnification .......................................................3-174
Scanner leading edge and side-to-side registration..........................3-174
Main scan dot position correction .....................................................3-175
3.19.2 ARDF..........................................................................................3-176
ARDF side-to-side and leading edge registration .............................3-176
3.19.3 REGISTRATION.........................................................................3-177
Image Area .......................................................................................3-177
Leading Edge....................................................................................3-177
Side to Side ......................................................................................3-177
Adjustment Standards.......................................................................3-177
Paper Registration Standard.............................................................3-177
Adjustment Procedure ......................................................................3-178
3.19.4 COLOR REGISTRATION ...........................................................3-179
Forced MUSIC Adjustment ...............................................................3-179
Adjustment of Line Speed for Thick Paper........................................3-179
Color Registration Test and Error Adjustment ..................................3-179
3.19.5 SKEW ADJUSTMENT AFTER LASER UNIT REPLACEMENT .3-180
3.19.6 PRINTER GAMMA CORRECTION ............................................3-182
Copy Mode .......................................................................................3-182
Printer Mode .....................................................................................3-186
Adjustment Reference For Gamma Correction.................................3-187
3.20 TOUCH SCREEN CALIBRATION .......................................................3-188
TROUBLESHOOTING
4. TROUBLESHOOTING ................................................................. 4-1
4.1 PROGRAM DOWNLOAD ..........................................................................4-1
4.1.1 OVERVIEW ......................................................................................4-1
4.1.2 RECOVERY METHODS...................................................................4-1
4.1.3 DOWNLOAD ERROR CODES .........................................................4-2
4.1.4 IMPORTANT SP CODES .................................................................4-5
4.2 SPECIAL PROCEDURES .........................................................................4-6
4.2.1 SP2181 030 (ALIGNMENT RESULT) ERRORS ..............................4-6
4.2.2 COLOR REGISTRATION ERROR ADJUSTMENT ..........................4-9
Color Registration Error Correction.......................................................4-9
Color Skew Error Correction ...............................................................4-11
Overall Check .....................................................................................4-12
B132/B200 viii SM