Equipment information

Ricoh D161 Photocopier
Manufacturer:
Model:
D161
Date:
Category:
Group:
Description:
Copier
Service Manual
Manual Type:
Service Manual
Pages:
111
Size:
2.45 Mbytes (2572231 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
27 October 2019
MD5:
3af6889ce159f615048c8f7b6a93f7d0
Downloads:
953

Information

DETAILED DESCRIPTIONS 1. OVERVIEW ... 1 1.1 COMPONENT LAYOUT ... 1 1.1.1 D160/D161/D170: CIS SCANNER COMPONENT LAYOUT ... 3 1.1.2 D158/D159: CCD SCANNER COMPONENT LAYOUT ... 3 1.2 PAPER PATH ... 4 1.3 DRIVE LAYOUT ... 5 2. BOARD STRUCTURE ... 7 2.1 BLOCK DIAGRAM ... 7 BICU (Base Engine and Image Control Unit) ... 8 2.2 SBU (SENSOR BOARD UNIT) ... 8 3. COPY PROCESS OVERVIEW ... 9 4. SCANNING D158/D159 ... 11 4.1 OVERVIEW ... 11 4.2 SCANNER DRIVE ... 12 4.3 ORIGINAL SIZE DETECTION IN PLATEN MODE ... 13 4.4 ANTI-CONDENSATION HEATER ... 14 5. SCANNING D160/D161/D170 ... 15 5.1 OVERVIEW ... 15 5.2 SCANNER DRIVE ... 16 6. LASER EXPOSURE ... 18 6.1 OVERVIEW ... 18 6.2 AUTO POWER CONTROL (APC) ... 19 6.3 LD SAFETY SWITCH ... 20 7. PHOTOCONDUCTOR UNIT (PCU) ... 21 7.1 OVERVIEW ... 21 7.2 DRIVE ... 23 8. DRUM CHARGE ... 24 8.1 OVERVIEW ... 24 8.2 ID SENSOR PATTERN PRODUCTION TIMING ... 25 8.3 DRUM CHARGE ROLLER CLEANING ... 26 9. DEVELOPMENT ... 27 9.1 OVERVIEW ... 27 9.2 DRIVE ... 289.3 DEVELOPER MIXING ... 29 9.4 DEVELOPMENT BIAS ... 30 9.5 TONER SUPPLY ... 31 9.5.1 TONER BOTTLE REPLENISHMENT MECHANISM ... 31 9.6 TONER SUPPLY MECHANISM ... 32 9.7 TONER DENSITY CONTROL ... 33 9.7.1 OVERVIEW ... 33 9.7.2 TONER DENSITY SENSOR INITIAL SETTING ... 35 9.7.3 TONER CONCENTRATION MEASUREMENT ... 35 9.7.4 VSP/VSG DETECTION ... 35 9.7.5 TONER SUPPLY REFERENCE VOLTAGE (VREF) DETERMINATION 36 9.7.6 TONER SUPPLY DETERMINATION ... 36 9.7.7 TONER SUPPLY MOTOR ON TIME DETERMINATIONS ... 36 9.8 TONER SUPPLY IN ABNORMAL SENSOR CONDITIONS ... 38 9.8.1 ID SENSOR ... 38 9.8.2 TD SENSOR ... 38 9.9 TONER NEAR END/END DETECTION AND RECOVERY ... 38 9.9.1 TONER NEAR END DETECTION ... 38 9.9.2 TONER NEAR END RECOVERY ... 39 9.9.3 TONER END DETECTION ... 39 9.9.4 TONER END RECOVERY ... 39 10.DRUM CLEANING AND TONER RECYCLING ... 40 10.1 DRUM CLEANING ... 40 10.2 TONER RECYCLING ... 41 11.PAPER FEED ... 42 11.1 OVERVIEW ... 42 11.2 PAPER FEED DRIVE MECHANISM ... 43 11.3 PAPER FEED AND SEPARATION MECHANISM ... 44 11.4 PAPER LIFT MECHANISM ... 45 11.5 BY-PASS TRAY BOTTOM PLATE LIFT MECHANISM ... 46 11.6 PAPER END DETECTION ... 47 11.7 PAPER SIZE DETECTION ... 48 11.7.1 PAPER TRAY ... 48 0: PUSHED, 1: NOT PUSHED ... 48 11.7.2 BY-PASS TRAY ... 50 11.8 SIDE FENCES ... 51 11.9 PAPER REGISTRATION ... 52 12.IMAGE TRANSFER AND PAPER SEPARATION ... 53 12.1 OVERVIEW ... 53 12.2 IMAGE TRANSFER CURRENT TIMING ... 54 12.3 TRANSFER ROLLER CLEANING ... 55 12.4 PAPER SEPARATION MECHANISM ... 56 13.IMAGE FUSING AND PAPER EXIT ... 57 13.1 OVERVIEW ... 57 13.2 FUSING UNIT DRIVE AND RELEASE MECHANISM ... 58 13.2.1 FUSING UNIT DRIVE ... 58 13.2.2 DRIVE RELEASE MECHANISM ... 58 13.2.3 CONTACT/RELEASE CONTROL ... 59 13.2.4 DRIVE RELEASE SOLENOID ... 59 13.3 FUSING ENTRANCE GUIDE SHIFT ... 60 13.4 PRESSURE ROLLER ... 60 13.5 FUSING TEMPERATURE CONTROL ... 61 13.5.1 OVERVIEW ... 61 13.5.2 TEMPERATURE CONTROL ... 62 13.6 OVERHEAT PROTECTION ... 64 14.DUPLEX UNIT ... 65 14.1 OVERALL ... 65 14.2 DRIVE MECHANISM ... 66 14.3 BASIC OPERATION ... 67 14.4 FEED IN AND EXIT MECHANISM ... 69 15.ENERGY SAVER MODES OF BASIC MACHINES ... 70 15.1 OVERVIEW ... 70 15.2 AOF ... 71 15.3 TIMERS ... 71 15.4 RECOVERY ... 71 16.ENERGY SAVER MODES OF GDI MACHINES ... 72 16.1 OVERVIEW ... 72 16.2 AOF ... 73 16.3 TIMERS ... 73 16.4 RECOVERY ... 73 17.OVERVIEW ... 74 18.BOARDS ... 75 18.1 FCU ... 75 19.SERVICE RAM ADDRESSES ... 77 20.VIDEO DATA PATH ... 91 20.1 TRANSMISSION ... 91 20.1.1 MEMORY TRANSMISSION AND PARALLEL MEMORY TRANSMISSION ... 91 20.1.2 IMMEDIATE TRANSMISSION ... 92 20.1.3 JBIG TRANSMISSION ... 92 20.1.4 ADJUSTMENTS ... 92 20.2 RECEPTION ... 93 21.FAX COMMUNICATION FEATURES ... 94 21.1 DOCUMENT SERVER ... 94 21.2 INTERNET MAIL COMMUNICATION ... 95 21.2.1 MAIL TRANSMISSION ... 95 21.2.2 21.2.3 21.2.4 21.2.5 21.2.6 MAIL RECEPTION ... 98 HANDLING MAIL RECEPTION ERRORS ... 100 SECURE INTERNET RECEPTION ... 101 TRANSFER REQUEST: REQUEST BY MAIL ... 101 E-MAIL OPTIONS (SUB TX MODE) ... 102 22.IP-FAX ... 106 22.1 WHAT IS IP-FAX? ... 106 22.2 T.38 PACKET FORMAT ... 106 22.2.1 UDP RELATED SWITCHES ... 106 22.3 SETTINGS ... 106

show more

Add Comment

* Required information
1000
Captcha Image

Comments

No comments yet. Be the first!