Service Manual & Parts List Ricoh AC205 AC205L;
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Content SERVICE MANUAL:
INSTALLATION
1. INSTALLATION

PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE
2.1 PM INTERVALS

REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT
3.1 GENERAL PRECAUTIONS
3.1.1 SERVICING THE MACHINE
3.1.2 RELEASING PLASTIC LATCHES
3.2 COVERS
3.2.1 REAR COVER
3.2.2 SIDE COVERS
Right Cover
Left Cover
3.2.3 FRONT COVER
3.3 SCANNER ASSEMBLY
3.3.1 WHEN YOU REASSEMBLE THE SCANNER ASSEMBLY
3.4 ADF MOTOR ASSEMBLY
3.5 OPERATION PANEL
3.6 MIDDLE COVER AND EXIT ROLLER
3.7 CONTROL SHIELD ASSEMBLY
3.8 ENGINE SHIELD ASSEMBLY AND EXIT BOARD
3.8.1 ENGINE SHIELD
3.8.2 EXIT BOARD
3.9 SMPS AND LIU
3.10 FUSING UNIT
3.10.1 FUSING UNIT ASSEMBLY
3.10.2 THERMOSTAT
3.10.3 FUSING LAMP
3.10.4 STRIPPER PAWLS
When you Reassemble the Fusing Unit
Note
3.10.5 THERMISTOR
3.11 FAN
3.12 LSU
3.13 CRUM BOARD
3.14 DRIVE ASSEMBLY
3.15 COVER MID-FRONT
3.16 TRANSFER ASSEMBLY
3.17 FEED ASSEMBLY
3.18 PICK-UP ASSEMBLY AND SOLENOID
3.18.1 PICK-UP ASSEMBLY
3.18.2 SOLENOID
3.18.3 BY-PASS PICK-UP ROLLER AND PAPER FEED UNIT PICK-UP
ROLLER
By-pass pick-up roller
Paper Feed Unit Pick-up Roller
3.19 NETWORK BOARD (FOR B273 ONLY)

TROUBLESHOOTING
4. TROUBLESHOOTING
4.1 PAPER PATH
4.1.1 COPY/SCAN DOCUMENT PATH
Scanner part
Engine Part
4.1.2 PRINTER PAPER PATH
4.2 PAPER JAM CONDITIONS
Jam0 (Paper Feed Area) Jam1 (Fusing/Toner Cartridge)
Jam2 (Paper Exit Area) By-pass Jam (By-pass Tray)
4.2.1 CLEARING DOCUMENT JAMS (ADF)
ADF Input Misfeed
ADF Exit Misfeed
ADF Roller Misfeed
4.2.2 JAM0 (PAPER FEED AREA)
4.2.3 JAM1 (FUSING AREA OR AROUND THE TONER CARTRIDGE AREA)
4.2.4 JAM2 (PAPER EXIT AREA)
4.2.5 BY-PASS TRAY JAM
4.3 PAPER FEED PROBLEMS
4.3.1 INCORRECT PRINT POSITION
4.3.2 JAM 0
4.3.3 JAM 1
4.3.4 JAM 2
4.3.5 MULTI-FEEDING
4.3.6 PAPER IN THE FUSING UNIT
4.3.7 PAPER STAYS IN THE OPC DRUM
4.3.8 DEFECTIVE ADF
4.4 MACHINE MALFUNCTIONS
4.4.1 LCD DISPLAY DEFECTIVE
4.4.2 DEFECTIVE CONTROL PANEL
4.4.3 FUSING GEAR MELTS (OVERHEATS)
4.4.4 PAPER EMPTY 1
SM iii B273/G959
4.4.5 PAPER EMPTY 2
4.4.6 COVER OPEN 1
4.4.7 COVER OPEN 2
4.4.8 DEFECTIVE MOTOR OPERATION
4.4.9 NO POWER
4.4.10 PRINTED VERTICAL LINES BEND
4.5 PRINTING QUALITY PROBLEMS
4.5.1 INCORRECT PRINT POSITION
4.5.2 VERTICAL WHITE LINE
4.5.3 HORIZONTAL BLACK BANDS
4.5.4 BLACK/WHITE SPOTS
4.5.5 LIGHT IMAGE
4.5.6 DARK/BLACK IMAGE
4.5.7 UNEVEN DENSITY
4.5.8 BACKGROUND
4.5.9 GHOST 1
4.5.10 GHOST 2
4.5.11 GHOST 3
4.5.12 GHOST 4
4.5.13 STAINS ON FRONT OF PAGE
4.5.14 STAINS ON BACK OF PAGE
4.5.15 BLANK PAGE 1
4.5.16 BLANK PAGE 2
4.6 FAX AND PHONE PROBLEMS
4.6.1 NO DIAL TONE
4.6.2 DEFECTIVE MF DIAL
4.6.3 DEFECTIVE FAX FORWARD/RECEIVE
4.6.4 DEFECTIVE FAX FORWARD
4.6.5 DEFECTIVE FAX RECEIVE 1
4.6.6 DEFECTIVE FAX RECEIVE 2
4.6.7 DEFECTIVE FAX RECEIVE 3
4.6.8 DEFECTIVE FAX RECEIVE 4
4.6.9 DEFECTIVE AUTOMATIC RECEIVING
4.7 COPY PROBLEMS
4.7.1 WHITE COPY
4.7.2 BLACK COPY
4.7.3 ABNORMAL NOISE
4.7.4 DEFECTIVE IMAGE QUALITY
4.8 SCANNING PROBLEMS
4.8.1 PC SCANNING PROBLEMS
4.8.2 POOR QUALITY OF SCANNED IMAGES
4.9 ERROR MESSAGES
4.10 TONER CARTRIDGE
4.10.1 TONER CARTRIDGE PRECAUTIONS
4.10.2 REDISTRIBUTING TONER
4.10.3 TONER CARTRIDGE ERROR MESSAGES
4.10.4 TONER CARTRIDE DETAILS
4.11 SOFTWARE PROBLEMS
4.11.1 PRINTER DOES NOT OPERATE CORRECTLY 1
4.11.2 PRINTER DOES NOT OPERATE CORRECTLY 2
4.11.3 ABNORMAL PRINTING
4.11.4 SPOOL ERROR
How to Delete Data in the Spool Manager
4.12 NETWORK PROBLEMS (FOR B273)
4.12.1 GENERAL PROBLEMS
4.12.2 WINDOWS PROBLEMS
4.12.3 SYNCTHRU INSTALLATION PROBLEMS

SERVICE PROGRAM MODE
5. SERVICE PROGRAM MODE
5.1 TECH MODE
5.1.1 HOW TO ENTER TECH MODE
What you can do in Tech Mode
5.1.2 DATA SET-UP
Send Level
Dial Mode
Modem Speed
Error Rate
Notify Toner
CLEAR ALL MEMORY
Flash Upgrade
Silence Time
5.1.3 MACHINE TESTS
Switch Test
Modem Test
DRAM Test
ROM Test
Pattern Test
Shading Test
5.1.4 REPORTS
Protocol List
System Data
5.2 USER MODE
5.3 FIRMWARE DOWNLOAD
5.3.1 DOWNLOAD PROCEDURE
Printer Setting Utility mode
Web Image Monitor Type103 mode (for B273 model only)
5.3.2 FIRMWARE RECOVERY PROCEDURE
5.4 ENGINE TEST MODE
5.4.1 HOW TO ENTER ENGINE TEST MODE
5.4.2 DIAGNOSTIC
Detailed description (engine test mode)
5.4.3 STATUS PRINT

DETAILED DESCRIPTIONS
6. DETAILED DESCRIPTIONS
6.1 PRINTER COMPONENT LAYOUT
6.1.1 FRONT VIEW
6.1.2 REAR VIEW
6.2 SYSTEM LAYOUT
6.2.1 PAPER FEED
6.2.2 TRANSFER ASSEMBLY
6.2.3 DRIVE ASSEMBLY
6.2.4 FUSING ASSEMBLY
Thermostat
Thermistor
Hot Roller
Pressure Roller
Safety Features
Safety Devices
6.2.5 SCANNING UNIT
CCD Module Specifications
6.2.6 LASER SCANNING UNIT (LSU)
6.2.7 TONER CARTRIDGE
6.2.8 NEW AIO DETECTION
6.2.9 TONER END DETECTION
6.3 CONTROLLER
6.3.1 MAIN PBA
6.3.2 ASIC
Main Function Block
6.3.3 MEMORY
6.3.4 FLASH MEMORY
6.3.5 SDRAM
6.3.6 BATTERY BACKUP
6.3.7 SENSOR INPUT CIRCUIT
Paper Empty Sensor
By-pass Tray Sensor
Paper Feed Sensor
Paper Exit Sensor
Cover Open Sensor
DC Fan/Solenoid Driving
Motor Driving
6.4 SMPS AND HVPS
6.4.1 HVPS
Transfer High Voltage (THV+)
Charge Voltage (MHV)
Cleaning Voltage (THV-)
Developing Voltage (DEV)
Supply Voltage (SUP)
OPC Ground ZENER Voltage
6.4.2 SMPS(SWITCHING MODE POWER SUPPLY)
1. AC Input
2. Rated Output Power
3. Power Consumption
4. Length of Power cord
5. Power Switch:
6. Feature
7. Environment Condition
8. EMI Requirement
9. Safety Requirement
6.4.3 FUSING UNIT AC POWER CONTROL
6.5 ENGINE
6.5.1 PAPER FEED
Jam0 (feed area)
Jam1 (inside the machine)
Jam2 (exit area)
6.5.2 DRIVE
6.5.3 TRANSFER
6.5.4 FUSING
6.5.5 LASER SCANNING UNIT
6.6 OPERATION PANEL (OPE)
6.7 USB HOST
6.8 FAX SECTION
6.8.1 MODEM
6.8.2 LIU PBA

SPECIFICATIONS
SPECIFICATIONS
1. GENERAL SPECIFICATIONS
2. PHYSICAL SPECIFICATIONS
3. PRINT SPECIFICATIONS
4. SCAN SPECIFICATIONS
5. COPY SPECIFICATIONS
6. TELEPHONE SPECIFICATIONS
7. FAX SPECIFICATIONS
8. SOFTWARE SPECIFICATIONS
9. PAPER SIZES/WEIGHTS

APPENDIX
APPENDIX
BLOCK DIAGRAM
CONNECTION DIAGRAM

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Content PARTS LIST:
B273/G959 PARTS LOCATION AND LIST
1. MAIN ASSEMBLY (B273)
2. DRIVE ASSEMBLY (B273)
3. ADF ASSEMBLY (B273)
4. OPE ASSEMBLY (B273)
5. SCANNER ASSEMBLY (B273)
6. MIDDLE COVER ASSEMBLY (B273)
7. FRAME ASSEMBLY (B273)
8. FUSING UNIT ASSEMBLY (B273)
9. MP ASSEMBLY (B273)
10. CASSETTE ASSEMBLY (B273)

B273/G959 PARTS INDEX
PARTS INDEX

Number of pages: 238.