Ricoh A151 Field Service Manual page 16

8.13 REGISTRATION ADJUSTMENT . . . . . . . . . . . . 5-83
8.14 SIDE-TO-SIDE REGISTRATION ADJUSTMENT . . . . . . 5-84
8.15 4TH/5TH MIRROR HEIGHT ADJUSTMENT
9. OTHERS . . . . . . . . . . . . . . . . . . .
9.1 OZONE FILTER REPLACEMENT . . . . . . . . . . . . 5-88
9.2 220~230/240V CONVERSION
9.3 OPTIONAL EQUIPMENT INSTALLATION . . . . . . . . . 5-90
9.3.1 Optics Anti-condensation Heater Installation . . . . . . 5-90
9.3.2 Drum Anti-condensation Heater Installation . . . . . . 5-91
9.3.3 Pre-transfer Lamp (PTL) Installation . . . . . . . . . 5-92
9.3.4 Optics Cooling Fan Installation (FT3013 Copier Only) . . 5-93
9.4 TORSION BAR FORCE ADJUSTMENT . . . . . . . . . . 5-94
SECTION 6 TROUBLESHOOTING
1. COPY QUALITY . . . . . . . . . . . . . . . .
1.1 BLANK COPY (WHITE COPY) . . . . . . . . . . . . . 6-1
1.2 DIRTY BACKGROUND . . . . . . . . . . . . . . . . 6-4
1.3 UNEVEN IMAGE DENSITY
1.4 VERTICAL BLACK BANDS
1.5 VERTICAL BLACK LINES . . . . . . . . . . . . . . . 6-9
1.6 VERTICAL WHITE LINES OR BANDS-1 (DULL OR BLURRED) 6-10
1.7 VERTICAL WHITE LINES OR BANDS-2 (THIN, DISTINCT) . 6-11
1.8 HORIZONTAL BLACK/WHITE LINES . . . . . . . . . . . 6-12
1.9 JITTER . . . . . . . . . . . . . . . . . . . . . . 6-13
1.10 BLACK SPOTS ON THE COPY IMAGE . . . . . . . . . 6-14
1.11 SKEWED (OPTICAL) COPY IMAGE
1.12 TONER DENSITY TOO HIGH . . . . . . . . . . . . . 6-16
1.13 TONER DENSITY TOO LOW . . . . . . . . . . . . . 6-18
1.14 TONER SCATTERING . . . . . . . . . . . . . . . . 6-20
A151/A152/A202/A203
. . . . . . . 5-87
. . . . . . . . . . . . . 5-89
. . . . . . . . . . . . . . 6-7
. . . . . . . . . . . . . . 6-8
. . . . . . . . . . 6-15
vi
5-88
6-1
FSM