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Sharp FO IS125N Service Manual - Page 32

Ringer volume, Speaker volume

UPC - 074000034372

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FO-IS125N SW DATA NO. NO. ITEM 1 Reserved 2 Reserved Ringer volume 3 SW 4 42 Speaker volume 5 6 7 Reserved 8 Reserved 1 Reserved 2 Reserved 3 Reserved SW 4 Reserved 43 5 Reserved 6 Reserved 7 Reserved 8 Reserved 1 Reserved 2 Reserved 3 Reserved CI signal min. off time SW 44 4 5 6 7 Reserved 8 Reserved 1 Reserved 2 Reserved 3 Reserved SW 4 Reserved 45 5 Reserved 6 Reserved 7 Reserved 8 Reserved 1 Reserved 2 Reserved 3 Reserved SW 4 Reserved 46 5 Reserved 6 Reserved 7 Reserved 8 Reserved 1 Reserved 2 Reserved 3 Reserved SW 4 Reserved 47 5 Reserved 6 Reserved 7 Reserved 8 Reserved Switch setting and function 1 0 No. 3 No. 4 No. 5 No. 6 OFF 0 0 LOW 0 0 LOW 0 1 LOW 0 1 MIDDLE 1 0 MIDDLE 1 0 HIGH 1 1 HIGH 1 1 200ms 300ms 350ms 400ms 500ms 700ms 1200ms Not used No. 4 0 0 0 0 1 1 1 1 No. 5 0 0 1 1 0 0 1 1 No. 6 0 1 0 1 0 1 0 1 Initial setting 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 Remarks 1 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 0 0 0 2 - 19

Section	Page
TopPage	1
GENERAL DESCRIPTION	2
[1] Caution	2
1. Laser caution	2
2. Life of consumable	2
3. Caution for Battery replacement	3
4. Precautions for using Lead-Free Solder	3
[2] Specifications	4
[3] Operation panel	6
[4] Transmittable documents	7
1. Document Sizes	7
2. Paper Thickness & Weight	7
3. Document Types	7
4. Cautions on Transmitting Documents	7
5. Automatic Document Feeder Capacity	7
6. Readable Width & Length	7
[5] Installation	8
1. Site selection	8
2. Connecting the handset	8
3. Attaching the tray	8
4. Connecting the power cord	9
5. Connecting the telephone line cord	9
6. Affixing the rapid key labels	9
7. Connecting the machine to your network	9
8. Installing the toner cartridge and drum cartridge	9
9. Resetting the drum counter	11
10. Manually resetting the toner counter	11
11. Loading printing paper	11
[6] Clearing paper jams	12
1. Clearing a jammed document	12
2. Clearing jammed printing paper	12
ADJUSTMENTS	14
[1] Adjustments	14
1. General description	14
2. Adjustments of output voltage (FACTORY ONLY)	14
3. High voltage power check	15
4. IC Protectors Replacement	19
5. Power Supply Unit Replacement	19
6. Volume Adjustment	19
[2] Diagnostics and service soft switch	20
1. Entering the diagnostic mode	20
2. Diagnostic items description	20
3. How to make soft switch setting	24
4. Soft switch description	25
[3] Troubleshooting	69
[4] Error code table	70
1. Communication error code table	70
MECHANICAL DESCRIPTION	71
[1] Mechanical description	71
1. Facsimile block	71
2. Document feed operation	71
3. Hopper mechanism	71
4. Paper path	72
5. Components layout	73
6. Switch/Sensor layout	74
7. Print process	75
8. Timing chart	82
[2] Disassembly and assembly procedures	83
1. Top cabinet	83
2. Motor cover/Handset holder unit/Bottom cabinet	84
3. Paper hopper unit/PWB’s/Operation panel unit	85
4. Paper hopper	86
5. Front cover unit/PU guide upper unit/PWB plate/Optical unit/Fusing unit/Drive unit	87
6. Wire treatment	88
DIADRAMS	89
[1] Block diagram	89
[2] Wiring diagram	90
[3] Point-to-point diagram	91
CIRCUIT DESCRIPTION	92
[1] Circuit description	92
1. General description	92
2. PWB configuration	92
[2] Circuit description of control PWB	93
1. General description	93
2. Description of each block	93
3. Printer mechanism control block	113
[3] Circuit description of power supply PWB	117
1. Filter circuit block	117
2. Rectification and smoothing circuit block	117
3. Switching circuit block	117
4. Control circuit block	117
5. +24V output circuit block	117
6. +24V MAIN output circuit block	117
7. +24VS circuit block	117
8. AC output circuit block	117
9. Zero cross circuit block	117
[4] Circuit description of CIS unit	118
1. CIS	118
2. Waveforms	118
[5] Circuit description of operation panel PWB	118
1. Operational description	118
2. Block diagram	118
[6] Data flow chart	119
1. COPY	119
2. FAX/SEND	119
3. FAX RECEIVE	119
4. NET WORK (Print)	119
5. NET WORK (Scan)	119
[7] Troubleshooting	120
1. Printer error table	120
2. Troubleshooting of control PWB	120
CIRCUIT SCHEMATICS AND PARTS LAYOUT	122
[1] Control PWB circuit	122
1. Main Control Block (1a/12)	122
2. Main Control Block (1b/12)	123
3. Memory Block (2/12)	124
4. Optical Unit (LSU) Block (3/12)	125
5. Printer Control (Fuser & High Voltage) Block (4/12)	126
6. Printer Control (Main Motor & Sensors) Block (5/12)	127
7. Scanner I/F Block (6/12)	128
8. User I/F Block (7/12)	129
9. LAN Control Block (8/12)	130
10. Power Supply Block (9/12)	131
11. Host Side Device (HSD) Block (10/12)	132
12. SmartDAA4 Line Side Device (LSD) Block (11/12)	133
13. Handset Codec Block (12/12)	134
14. Control PWB parts layout (Top side)	135
15. Control PWB parts layout (Bottom side)	136
[2] Power Supply PWB circuit	137
1. Power Supply PWB circuit	137
2. Power Supply PWB parts layout (Top side)	138
3. Power Supply PWB parts layout (Bottom side)	138
[3] High Voltage PWB circuit	139
1. High Voltage PWB circuit	139
2. High voltage PWB parts layout (Top side)	140
3. High Voltage PWB parts layout (Bottom side)	141
[4] Operation Panel/Hook Switch PWB circuit	142
1. Operation Panel/Hook Switch PWB circuit (1/2)	142
2. Operation Panel/Hook Switch PWB circuit (2/2)	143
3. Operation Panel/Hook Switch PWB parts layout (Top side)	144
4. Operation Panel/Hook Switch PWB parts layout (Bottom side)	145
OTHER	146
[1] Protocol	146
[2] Power on sequence	147
[3] Rewriting version up the FLASH ROM	148
1. Preparations	148
2. Operations	148
PartsGuide	151
[1] Cabinet,etc.	152
[2] Operation panel unit/Document guide upper unit	154
[3] Scanner frame unit	156
[4] Paper happer unit	158
[5] Printer drive unit	159
[6] Fusing unit	161
[7] Packing material & Accessories	163
[8] Control PWB unit	164
[9] Power supply PWB unit	170
[10] High voltage PWB unit	171
[11] Operation panel PWB unit	171
[12] Hook switch PWB unit	171
nINDEX	172