Sharp SF-2414 Service Manual Page 100
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- Table of contents
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6. User simulation
(1) Energy saving function
There are two specifications of energy saving: International Energy-
Star specifications, and the specifications for the other areas where it
is not required. It can be selected with the serviceman simulation.
(Only the software specification can be selected. Since the power
switch and machine mechanism are different, the machine of the
International EnergyStar specifications cannot be changed into the
machine of the other specifications.)
To save the power consumption, the energy saving function operates
when a certain time is passed under certain conditions.
There are following two modes of the energy saving.
[International EnergyStar specifications]
A) Preheat mode (The machine enters this mode after passing a
certain time from completion of the final operation.)
• The fusing section temperature is lower than the normal ready
state.
• The fan speed is reduced. (Patent avoidance)
• The energy-saving lamp is turned on and the other display lamps
are also turned on. (Including the ready lamp.)
• Preheat is terminated when any operation is made (key input,
cassette loading, original setting, or other operation which the
machine can detect). The energy-saving lamp blinks. At the same
time, the fusing section temperature rises to the copy ready level
within 10 sec.
B) Auto off mode (The energy-saving effect is greater than the
preheat mode. The machine enters this mode after passing a
certain time from completion of copying. When, however, the
machine is temporarily stopped by paper jam, paper empty, toner
empty (with the toner supply lamp ON), etc., the machine does not
enter this mode.)
• The power switch is turned off to stop power supply to the
machine.
• All the LED lamps on the operation panel are turned off.
• When the power switch is turned on, the auto off mode is ter-
minated and the energy-saving lamp blinks.
At that same time, all the display lamps including the ready lamp
are turned on and the fusing section temperature rises to allow
copying.
• The time from completion of the auto off mode to turning off of the
energy-saving lamp after returning to the ready state is the same
as the max. warm-up time after turning on the power.
@
Time required to enter the preheat mode or auto off mode and
cancellation of the mode can be set by the user program. (For
details, refer to the descriptions on the user program.)
For cancellation of the auto off mode, however, the significance of
International EnergyStar is described on the Operation manual to
guide the user not to cancel the function as far as possible.
Machine state A. Warmup B. Ready C. Copying
Energy-saving mode Auto start from D, E
D. Preheating
(@1)
E.Auto off
mode
F. Resetting
G. Reversed
(Reset)
Operation panel ON
F
ON
F
ON
F
ON
F
OFF
D
ON
F
ON
F
Energy-saving LED
Blink
OFF
D
OFF
D
ON
F
OFF
D
Blink Blink
Ready lamp ON
F
ON
F
OFF
D
ON
F
OFF
D
ON
F
OFF
D
Power switch ON ON ON ON OFF ON ON
@1: When the copy button is pressed during preheating, the machine enters the state of "G. Reserved."
@2: To reset from the auto off mode, press the power switch.
[Specifications which does not conform to International
EnergyStar]
A) Preheat mode (The machine enters this mode after passing a
certain time from completion of the final operation.)
• The fusing section temperature is lower than the normal ready
state.
• The fan speed is reduced. (Patent avoidance)
• The energy-saving lamp is turned on and the other display lamps
are also turned on. (Including the ready lamp.)
• Preheat is terminated when any operation is made (key input,
cassette loading, original setting, or other operation which the
machine can detect). The energy-saving lamp blinks. At the same
time, the fusing section temperature rises to the copy ready level
within 10 sec.
B) Auto power shut off mode (The energy-saving effect is greater
than the preheat mode. The machine enters this mode after pass-
ing a certain time from completion of copying. When, however, the
machine is temporarily stopped by paper jam, paper empty, toner
empty (with the toner supply lamp ON), etc., the machine does not
enter this mode.)
• Power supply is stopped only to the fusing section.
• The fan speed is reduced. (Patent avoidance)
• The energy-saving lamp is turned on, and the other lamps are
turned off.
• When the print button is pressed, the auto power shut off is ter-
minated and the energy-saving lamp blinks. At the same time, the
fusing section temperature rises to the copy ready level within 10
sec.
• The time from completion of the auto off mode to turning off of the
energy-saving lamp after returning to the ready state is the same
as the max. warm-up time after turning on the power.
@
Time required to enter the preheat mode or auto off mode and
cancellation of the mode can be set by the user program. (For
details, refer to the descriptions on the user program.)
8 – 13
- SERVICE MANUAL 1
- MODEL SF-2314 1
- MODEL SF-2414 1
- MODEL SF-2514 1
- CONTENTS 2
- [1] GENERAL DESCRIPTION 4
- [2] PRODUCT SPECIFICATIONS 5
- 3. Supplies 7
- Storage period: 8
- Upper unit 9
- Lower unit 9
- 6 7 8 14 15 16 17 18 10
- 11 12 13 14 15 16 17 18 19 20 11
- 1. Packing drawing (SF-2514) 16
- 2. Installation 16
- (2) Space around the machine 17
- (3) Installing table 17
- Mirror unit fixing screw 18
- (3) Developer setting 19
- Developer unit 20
- Fixing screw 20
- (step screw) 20
- Mounting screw A 22
- Mounting screw B 22
- Mounting 23
- Multi bypass feeder unit 24
- [5] GENERAL DESCRIPTIONS OF 25
- EACH SECTION 25
- 3. Fuser, paper exit section 26
- 4. Developer section 26
- 5. Optical system 27
- 5-2. Basic operations 28
- 6. Copy process 30
- (3) Actual process 31
- Step 3 (Main Charging) 32
- Step 4 (Exposure) 32
- Step 5 (Development) 33
- Step 6 (Transfer) 34
- Step 7 (Separation) 34
- Step 8 (Cleaning) 35
- Step 9 (Discharging) 35
- (5) Process correction system 36
- 2) Correction operation 36
- [Initial setting] 37
- [Correction timing] 37
- [Correction operation] 37
- 7. SPF section (SF-2514 only) 38
- (Timing chart) 38
- [6] DISASSEMBLY AND ASSEMBLY 39
- 1-3. Separation roller 40
- One-way clutch side 41
- 1-6. Transport belt 42
- 1-7. Socket holder unit 42
- 1-8. Lower unit PWB 42
- 1-10. Power unit 42
- 2. Manual paper feed section 43
- 3. Fuser section 44
- 3-6. Scraper replacement 46
- 4. Optical system 47
- 4-6. Optical unit removal 49
- 5. SPF section 51
- 1, 2." 52
- 5-5. Clutch/solenoid removal 53
- 5-6. Sensor removal 53
- 6. Drum section 54
- 7. Developer section 54
- 7-3. Toner motor removal 55
- 7-4. Toner density sensor 55
- 9-3. Ventilation fan motor 56
- 9-1. Ozone filter 56
- 9-4. Transport roller clutch 57
- 9-5. Paper exit sensor 57
- [7] ADJUSTMENTS 58
- 0.625±0.03mm 59
- 2. Optical section 60
- Document Copy 63
- Document Copy A Copy B 64
- Cam fixing screw 65
- Do not move 65
- No.2 scanner unit 67
- Positioning plate 67
- Scanner unit drive pulley 67
- Document Copy C Copy D 68
- Change the right side 69
- Change the left side 69
- Copy paper 70
- Optical unit cover 71
- Copy image size 73
- Original size 73
- (7) Uniformity adjustment 75
- Paper exit 76
- Half-tone copy 76
- Less exposure 76
- (Dark copy) 76
- Scale image lead edge 78
- Enlargement copy (x 1.54) 78
- Reduction copy (x 0.64) 79
- Copy scale image 80
- Paper lead edge 80
- current void area (mm) 81
- 3. COPY DENSITY ADJUSTMENT 83
- Not copied 84
- Slightly copied 84
- adjustment 85
- Charger wire 87
- Improper 87
- [8] SIMULATIONS 88
- 4. Purpose list 89
- 5. Details of simulations 90
- ÷ Document length x 100 [%] 94
- EXP1~5 voltage 98
- Full power 98
- 6. User simulation 100
- Auto start function 101
- (2) User simulation prcedure 101
- (3) User program code table 102
- [9] SELF DIAG 103
- 4. Self diag contents 104
- 1) Paper feed section 109
- 2) Transport section 109
- [10] SERVICING AT MEMORY 110
- TROUBLE AND MAIN 110
- CONTROL PWB REPLACEMENT 110
- 4. Set value recording sheet 113
- 5. Memory simulation list 114
- [11] MAINTENANCE 115
- [12] ELECTRICAL SECTION 116
- M37702M2-XXXFP 117
- 3 Block diagram 118
- IN XIN IN Clock IN 119
- OUT XOUT OUT Clock OUT 119
- H=+32V, VB=+24V 120
- 1 General 121
- Stepping motor time chart 122
- External view 5P5 123
- Delay capacity 123
- V3' 124
- (1) Outline 126
- (2) Display circuit 127
- 1 Block diagram 127
- 2 Operation 127
- (3) LED display 128
- • AC PWB unit 128
- • In the main PWB unit 129
- COPYRIGHT 131
- 1997 BY SHARP CORPORATION 131
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