Ricoh D146 Service Manual page 18

4.18.13 POWER BOX COOLING FAN ............................................. 4-166
4.19 IMAGE ADJUSTMENT ..................................................................... 4-167
4.19.1 SCANNING ............................................................................. 4-167
Scanner sub-scan magnification ...................................................... 4-167
Scanner leading edge and side-to-side registration ......................... 4-167
4.19.2 ARDF ...................................................................................... 4-168
ARDF side-to-side, leading edge registration and trailing edge ....... 4-168
ARDF sub-scan magnification .......................................................... 4-169
4.19.3 REGISTRATION ..................................................................... 4-169
Image Area ....................................................................................... 4-169
Leading Edge ................................................................................... 4-169
Side to Side ...................................................................................... 4-169
Adjustment Standard ........................................................................ 4-169
Paper Registration Standard ............................................................ 4-169
Adjustment Procedure ...................................................................... 4-170
4.19.4 ERASE MARGIN ADJUSTMENT ............................................ 4-171
4.19.5 COLOR REGISTRATION ........................................................ 4-171
Line Position Adjustment .................................................................. 4-171
4.19.6 PRINTER GAMMA CORRECTION ......................................... 4-172
Copy Mode ....................................................................................... 4-172
Printer Mode ..................................................................................... 4-176
5. TROUBLESHOOTING ................................................................ 5-1
5.1 SELF-DIAGNOSTIC MODE ....................................................................... 5-1
5.1.1 SERVICE CALL CODES .................................................................. 5-1
Service Call Conditions ........................................................................ 5-1
SC logging ............................................................................................ 5-2
SC automatic reboot ............................................................................ 5-2
Controller self-diagnosis outline ........................................................... 5-5
Controller self-diagnosis flowchart ....................................................... 5-6
5.2 SERVICE CALL 101-195 ......................................................................... 5-10
5.2.1 SC100 (ENGINE: SCANNING) ....................................................... 5-10
5.3 SERVICE CALL 201-285 ......................................................................... 5-22
5.3.1 SC200 (ENGINE: IMAGE WRITING) .............................................. 5-22
5.4 SERVICE CALL 312-396 ......................................................................... 5-28
5.4.1 SC300 (ENGINE: CHARGE, DEVELOPMENT) ............................. 5-28
5.5 SERVICE CALL 441-498 ......................................................................... 5-33
5.5.1 SC400 (ENGINE: AROUND THE DRUM) ...................................... 5-33
5.6 SERVICE CALL 501-584 ......................................................................... 5-41
SM xiii D146/D147/D148/D149/D150