Ricoh - D170 - Fotokopierer
Hersteller:
Gerät:
D170
Datum:
Kategorie:
Gruppe:
Untergruppe:
1 Handbuch
Reparaturanleitung
Dokumenttyp:
Reparaturanleitung
Seitenanzahl:
111
Größe:
2,5 MB
Sprache:
englisch
Revision:
Dokument-ID:
Datum:
Qualität:
Elektronisches Dokument, kein Scan, sehr gut lesbar.
Upload Datum:
27. Oktober 2019
MD5:
3af6889c-e159-f615-048c-8f7b6a93f7d0
Downloads:
1641
Informationen
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