Sharp AL-1622 (serv.man20) Service Manual ▷ View online
AL-1611/AL-1622
EXTERNAL VIEWS AND INTERNAL STRUCTURE
4 – 2
3. OPERATION SECTION
*
1:
TD cartridge replacement required indicator
The TD cartridge replacement required indicator will light up when
toner is needed. If copying is continued while the indicator is lit,
copies will gradually become lighter until the copier stops and the
indicator begins blinking. Replace the old TD cartridge by following
the procedure given below.
After the copier stops, it may be possible to make a few more cop-
ies by taking the TD cartridge out of the copier, shaking it horizon-
tally, then reinstalling it. If copying is not possible after this
operation, replace the TD cartridge. During long copy run of a dark
original, the START key indicator may blink, the indicator light up,
and the copier stop, even though toner is left. The copier will feed
toner for up to 2 minutes and then the START key indicator will
light up. Press the START key to restart copying.
For best copying results, be sure to use only SHARP Genuine
Supplies which are designed, engineered and tested to maximize
the life and performance of SHARP copiers. Look for the Genuine
Supplies label on the toner package.
In case of low coverage, the developer life lamp lights up at 14,500
sheets, and flashes at 15,000 sheets and the machine stops.
The TD cartridge replacement required indicator will light up when
toner is needed. If copying is continued while the indicator is lit,
copies will gradually become lighter until the copier stops and the
indicator begins blinking. Replace the old TD cartridge by following
the procedure given below.
After the copier stops, it may be possible to make a few more cop-
ies by taking the TD cartridge out of the copier, shaking it horizon-
tally, then reinstalling it. If copying is not possible after this
operation, replace the TD cartridge. During long copy run of a dark
original, the START key indicator may blink, the indicator light up,
and the copier stop, even though toner is left. The copier will feed
toner for up to 2 minutes and then the START key indicator will
light up. Press the START key to restart copying.
For best copying results, be sure to use only SHARP Genuine
Supplies which are designed, engineered and tested to maximize
the life and performance of SHARP copiers. Look for the Genuine
Supplies label on the toner package.
In case of low coverage, the developer life lamp lights up at 14,500
sheets, and flashes at 15,000 sheets and the machine stops.
Drum replacement required indicator The useful life of the drum
cartridge is approximately 30,000 copies. When the internal
counter reaches approximately 29,000 copies, the drum replace-
ment required indicator will light up indicating that replacement of
the drum cartridge will be needed soon. When the indicator begins
to blink, replace the drum cartridge by following the procedure
given below.
cartridge is approximately 30,000 copies. When the internal
counter reaches approximately 29,000 copies, the drum replace-
ment required indicator will light up indicating that replacement of
the drum cartridge will be needed soon. When the indicator begins
to blink, replace the drum cartridge by following the procedure
given below.
Paper required indicator
Misfeed indicator
<NOTE>
ON:
Indicates that the machine is in the energy saving (pre-heat)
mode.
Blink: Indicates that the machine is in the process of resetting from the
energy saving mode or just after supplying the power.
OFF: Indicates that resetting from the energy saving mode is com-
pleted and that the fusing temperature is in ready state.
The combinations of the above display lamps are as follows:
(
F
= ON.
D
= OFF)
1
Interrupt (
) key and indicator
2
Copy quantity display
3
Zoom indicator
4
Copy ratio display(
) key
5
Zoom keys
6
Paper size enter (
) key
7
Audit clear (ACC.#C)key
8
Paper size indicators
9
Alarm indicators
*
1
10
Power save (
) indicator
11
SPF indicator (AL-1622 only)
12
Output tray full indicator
13
B/W reverse (
) key and indicator
14
XY-Zoom (
) key and indicator
15
AUTO/MANUAL/PHOTO (
/
/
) key and indicatiors
16
Light (
) and dark (
) keys and indi-
cators
17
Numeric keys
18
Zero key
19
Clear (
) key
20
Start (
) key and indicator
21
Clear all (
) key
22
Preset Ratio selector keys and indicators
23
Original size enter (
) key and
indicatiors
24
Auto paper select (
) indicator
(AL-1622 only)
25
Tray select (
) key
26
Auto image (
) key and indicator
27
paper feed location/misfeed location indi-
cators
cators
28
Dual page copy (
) key and indi-
cator
Not used
1
2
3
4
5
6
7
8 9 10 11 12
13
14
15 16
17
18
19 20 21
22
23
24 25
26 27
28
%
Lamp
Immediately
after power ON
Ready
Copying
Pre-heat lamp
Blink
D
D
Ready lamp
D
F
D
Other lamps
D
F
F
Lamp
Energy
saving mode
(Pre-heating)
saving mode
(Pre-heating)
Energy
saving
mode
(Auto power
shut off)
saving
mode
(Auto power
shut off)
Resetting
from energy
saving
mode
from energy
saving
mode
Copy is
started
during
resetting
from energy
saving mode
started
during
resetting
from energy
saving mode
Pre-heat lamp
F
F
Blink
Blink
Ready lamp
F
D
F
D
Other lamps
F
D
F
F
AL-1611/AL-1622
EXTERNAL VIEWS AND INTERNAL STRUCTURE
4 – 3
4. MOTOR, SOLENOID, CLUTCH
No.
Name
Code
Function, operation
1
Exhaust fan motor
VFM
Cools the inside of the machine.
2
Toner motor
TM
Toner supply
3
Mirror motor
MRM
Drives the optical mirror base (scanner unit).
4
Cooling fan motor
CFM
Cools the inside of the machine.
5
Main motor
MM
Drives the machine.
6
Paper feed solenoid
CPFS1
Solenoid for paper feed from cassette
7
Resist roller solenoid
RRS
Resist roller rotation control solenoid
8
Manual paper feed clutch
MPFC
Drives the manual paper feed roller.
9
Manual paper feed solenoid
MPFS
Manual paper feed solenoid
10
Manual paper transport clutch
MPTC
Drives the manual paper transport roller.
11
2nd tray transport clutch
CPFC2
Drives the 2nd tray transport roller. (Excluding AL-1611)
12
2nd tray transport solenoid
FSOL2
2nd tray transport solenoid (Excluding AL-1611)
13
1st tray transport solenoid
FSOL1
1st tray transport solenoid
14
2nd tray paper feed solenoid
PSOL2
2nd tray transport solenoid (Excluding AL-1611)
15
Paper feed clutch
CPFC2
Drives the cassette paper feed roller.
16
1st tray paper feed solenoid
PSOL1
1st tray transport solenoid
17
1st tray paper feed clutch
CPFC1
Drives the 1st tray transport roller.
18
PS clutch
RRC
Drives the resist roller
1
3
4
6
11
10
12
9
8
13
14
7
15
16
17
18
2
5
AL-1611/AL-1622
EXTERNAL VIEWS AND INTERNAL STRUCTURE
4 – 4
5. SENSOR, SWITCH
No.
Name
Code
Function, operation
1
Mirror home position sensor
MHPS
Detects the mirror (scanner unit) home position.
2
1st tray detection switch
1st tray detection
3
Toner density sensor
TCS
Toner quantity detection
4
Paper exit sensor (paper exit side)
POD1
Detects paper exit.
5
Right door switch
DSWR
Side door open/close detection
6
Paper exit sensor (DUP side)
PDPX
Paper transport detection
7
Thermistor
RTH
Fusing section temperature detection
8
Thermostat
Fusing section abnormally high temperature detection
10
Paper in
PIN
Paper transport detection
11
2nd tray detection switch
2nd tray detection (Excluding AL-1611)
12
Manual sensor
MPED
Manual transport detection
13
2nd tray door open/close sensor
DRS2
2nd tray door open/close detection (Excluding AL-1611)
14
2nd tray paper entry sensor
PPD2
Paper transport detection (Excluding AL-1611)
15
2nd tray paper empty sensor
CSS2
2nd tray paper empty detection (Excluding AL-1611)
16
Front door detection switch
17
1st tray paper empty sensor
CSS1
1st tray paper empty detection
18
Power switch
MAIN SW
Turns ON/OFF the main power source.
1 2
3
4
6
5
9
10
11
12
14
15
13
16
17
18
19
24
7
8
AL-1611/AL-1622
EXTERNAL VIEWS AND INTERNAL STRUCTURE
4 – 5
6. PWB UNIT
No.
Name
Function, operation
1
Copy lamp Inverter PWB
Copy lamp control
2
Power PWB
AC power input/DC power control
3
High voltage PWB
High voltage control
4
CCD sensor PWB
Image scanning
5
Main PWB (MCU)
Machine control/Image process
6
Tray interface PWB
Paper tray control
7
ERDH operation PWB
Operation panel input and display
8
Copy operation PWB
Operation panel input and display, operation panel section control
1
2
3
4
7
6
5
8
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