Published In Dec. - kyocera

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(1) Clearance Allow the necessary minimum clearance on all sides of the printer as below. 5 1 4 3 2 Figure 1-4-1 Clearances Ref. Clearance Dimensions [Minimum] 1 Left 30 cm (11-13/16 inches) 2 Front 60 cm (23-5/8 inches) 3 Right 25 cm (9-7/8 inches) 4 Back 20 cm (7-7/8 inches) 5 Head room 30 cm (11-13/16 inches) FS-1900 1-14
(2) Places to avoid Avoid installing the printer in locations exposed to: • Direct drafts of hot or cold air. • Direct drafts of outside air. (Avoid locations next to outside doors.) • Sudden temperature or humidity changes. • Any source of high heat, such as a radiator or stove. • Excessive dust. Dust and smoke may cause contamination on the laser scanner window, causing print quality problem. • Vibration. • Ammonia fumes or other harmful fumes. (<strong>In</strong> case of fumigating the room or saturate it with insecticide, remove the printer first.) • Avoid greenhouse-like rooms. (Because of sunlight and humidity.) • Avoid enclosed spaces that block ventilation. • Avoid sites more than 6,500 feet or 2,000 meters above sea level. (3) Note on power Use only the power source voltage conforming to the printer’s rated power voltage. Do not use other power sources. • Disconnect the printer from the power source before attempting removal or replacement of an electrical component or a printed-circuit board. • The printer should not be connected to a power source until the instruction is given to do so when performing tests described in this manual. • <strong>In</strong> connecting the printer power, exercise an extreme care in handling the power supply or any other electric parts which may give an electric shock. • Before performing maintenance or repair, power from both the power source and the associated peripheral devices (computer, sorter, etc.) should be disconnected, unless otherwise specified. • To avoid possible electrical shock, extreme caution must be exercised in handling the power cord and any other electrical part. • An easily accessible socket outlet must be provided near the equipment. WARNING As the disconnect device is not incorporated in the printer’s AC primary circuit, an easily accessible socket outlet must be provided near the equipment. 1-15 FS-1900
Page 1 and 2: Laser printer SERVICE MANUAL Publis
Page 3 and 4: Safety precautions This booklet pro
Page 5 and 6: 1. Installation Precautions WARNING
Page 7 and 8: • Do not pull on the AC power cor
Page 9 and 10: Chapter 1 Product Information
Page 11 and 12: 1-1 Printer specifications 1-1-1 Sp
Page 13 and 14: (4) Power requirements Item Voltage
Page 15 and 16: (2) Memory card (CompactFlash) The
Page 17 and 18: 1-2 Names of parts 1-2-1 Names of p
Page 19 and 20: (2) Ozone concentration The printer
Page 21: 1-4 Environmental requirements 1-4-
Page 25 and 26: 1-5 About the toner container 1-5-1
Page 27 and 28: Chapter 2 Installation/Operation
Page 29 and 30: 2-1 Unpacking 2-1-1 Unpacking and i
Page 31 and 32: 2-2 Installing the printer Installi
Page 33 and 34: Removing the toner container To rem
Page 35 and 36: Removing the waste toner box To rem
Page 37 and 38: (3) Notes on handling DIMM Before p
Page 39 and 40: 5. Open the clips 4 on both ends of
Page 41 and 42: (7) Installing the option memory ca
Page 43 and 44: (9) Installing the option serial in
Page 45 and 46: Key 4 GO key 5 CANCEL key 6 MENU ke
Page 47 and 48: (4) Paper type Indicator The TYPE i
Page 49 and 50: 2-3-2 Menu selection system The MEN
Page 51 and 52: Print Quality > Memory Card > >KIR
Page 53 and 54: Chapter 3 Maintenance/Adjustments
Page 55 and 56: 3-1 Maintenance/Adjustments 3-1-1 L
Page 57 and 58: (3) Toner container replacement To
Page 59 and 60: (5) Replacing the waste toner box N
Page 61 and 62: (2) Cleaning the main charger wire
Page 63 and 64: 3. After attaching the grid cleaner
Page 65 and 66: (4) Replacing the developer To remo
Page 67 and 68: (6) Developer refreshing mode This
Page 69 and 70: 3-1-4 Updating the firmware Updatin
Page 71 and 72: (2) Downloading the firmware from t
Page 73 and 74:
(3) Downloading the firmware from t
Page 75 and 76:
(4) Downloading errors The followin
Page 77 and 78:
Chapter 4 Contents 4-1 Electrophoto
Page 79 and 80:
(1) Main charging Components of dru
Page 81 and 82:
Charging the drum The following sho
Page 83 and 84:
Laser scanner unit 4 5 3 2 9 1 6 0
Page 85 and 86:
Drum surface potential The laser be
Page 87 and 88:
The latent image constituted on the
Page 89 and 90:
(4) Transfer The image developed by
Page 91 and 92:
Fuser unit mechanism 1 To face-down
Page 93 and 94:
4-2 Paper feeding system The paper
Page 95 and 96:
(1) Paper feeding mechanism Drive a
Page 97 and 98:
Fuser unit and face up/down output
Page 99 and 100:
(2) Motors, solenoids, clutches and
Page 101 and 102:
4-3-2 Operation of circuit boards (
Page 103 and 104:
Eraser lamp control circuit CPU (U2
Page 105 and 106:
Heater lamp control circuit The hea
Page 107 and 108:
(3) Sensor board Paper gauge sensin
Page 109 and 110:
The interlock circuit outputs the t
Page 111 and 112:
The paper size dial has predetermin
Page 113 and 114:
(5) High voltage unit High voltage
Page 115 and 116:
Chapter 5 Contents 5-1 General inst
Page 117 and 118:
5-2 Disassembly 5-2-1 Removing the
Page 119 and 120:
5-2-2 Removing the paper transfer u
Page 121 and 122:
5-2-4 Removing the operator panel a
Page 123 and 124:
(3) Removing the right cover 1. Rem
Page 125 and 126:
5-2-5 Removing the drum unit 1. Rem
Page 127 and 128:
5. Remove the feed bracket cover 4
Page 129 and 130:
5. Pull the MP tray paper feed unit
Page 131 and 132:
5-2-9 Removing the controller unit
Page 133 and 134:
5. Remove three screws 4. 6. Remove
Page 135 and 136:
(2) Removing the engine board and p
Page 137 and 138:
(3) Removing the main board CAUTION
Page 139 and 140:
(5) Removing the sensor board CAUTI
Page 141 and 142:
8. Remove four screws 6. 9. Remove
Page 143 and 144:
4. Remove the rear cover 4 and the
Page 145 and 146:
(1) Removing the separators WARNING
Page 147 and 148:
(3) Removing the heat roller WARNIN
Page 149 and 150:
(5) Removing the press roller WARNI
Page 151 and 152:
Chapter 6 T roubleshooting
Page 153 and 154:
6-1-4 Circuit board terminal voltag
Page 155 and 156:
Message Corrective action Load Cass
Page 157 and 158:
(2) Error messages Message Correcti
Page 159 and 160:
Message Corrective action Memory ov
Page 161 and 162:
6-1-2 Diagnostic (Service error mes
Page 163 and 164:
(5) 2000 - Main motor error Meaning
Page 165 and 166:
(10) 4000 - Laser scanner unit (Pol
Page 167 and 168:
(12) 5300 - Eraser lamp error Meani
Page 169 and 170:
(14) 6020 - Abnormal high temperatu
Page 171 and 172:
(17) 7350 - Toner refreshing mode e
Page 173 and 174:
6-1-3 Other problems (1) False “C
Page 175 and 176:
(5) Defective paper jam detecting P
Page 177 and 178:
(9) Defective face up/down solenoid
Page 179 and 180:
Connector Pin# Signal I/O Voltage F
Page 181 and 182:
Page 183 and 184:
Page 185 and 186:
6-1-6 Print quality problems Print
Page 187 and 188:
(2) All-black printout Check the ma
Page 189 and 190:
(4) Black dots ABC 123 Note the spa
Page 191 and 192:
(7) Unsharpness Check paper for pro
Page 193 and 194:
(9) Dirt on the top edge or back of
Page 195 and 196:
Repetitive defects gauge Use the fo
Page 197 and 198:
(2) Jam inside the printer 1. While
Page 199 and 200:
Appendix A Contents Timing charts..
Page 201 and 202:
Cassette feeding, two letter size p
Page 203 and 204:
Option paper feeder cassette feedin
Page 205 and 206:
MP tray feeding, two letter size pa
Page 207 and 208:
A-10 FS-1900 + − 1 3 1 2 1 2 1 2
Page 209 and 210:
Appendix B Contents Status page ...
Page 211 and 212:
Service information on the status p
Page 213 and 214:
Example Meaning Description 7 P00/
Page 215 and 216:
Appendix C I n t e r f a c e
Page 217 and 218:
Parallel interface The printer uses
Page 219 and 220:
Parallel interface signals The foll
Page 221 and 222:
Serial interface (option) This prin
Page 223 and 224:
KYOCERA MITA EUROPE B.V. Hoeksteen
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Published In Dec. - kyocera

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