Sharp AL-1551 (serv.man4) Service Manual ▷ View online
AL-1551 USER PROGRAM 11-1
[11]USER PROGRAM
The conditions of factory setting can be changed according to the use conditions.
1. Functions which can be set with the user program
*Note:The power consumption values in pre-heat and auto shut off may be varied depending on the use conditions.
2. Change the setting.
Example: Changing the time to operate the auto shut off function
(Change from 60 sec to 90 sec)
1) Press the right and the left exposure adjustment keys simultaneously
to start setting.
• Keep pressing the keys for five sec.
• Display lamps (
,
,
blink simultaneously and " -- " is displayed
on the copy quantity display.
2) Select the function code with the 10-digit key (copy quantity set key).
• The number of the selected function blinks on the digit of 10 on the copy
quantity display.
• For auto clear, select " 1. "
• For setting, refer to the following function codes.
[Cancel]
If a wrong code is entered, press the clear key and enter the
correct function code.
*
SPF only
3) Press the COPY button.
• The number blinking on the digit of 10 of the coyp quantity display is
lighted.
• The number of the current set code blinks on the digit of 1.
4) Select the setting code with 1-digit key (copy quantity set key).
• To set to 90 sec, select " 3. "
• For setting, refer to the following set codes.
*
Factory setting
• The number blinking on the digit of 1 of the copy quantity display is lit
up. This means the setting is completed.
[Cancel]
When a wrong number of the function code is set, press the
clear key and perform the procedure again from step 2.
5) Press the COPY button.
• The number blinking on the digit of 1 of the copy quantity display is lit
up. This means the setting is completed.
Note: To set another function, press the clear key after completion of this
operation and perform the procedure from step 2.
6) Press either one of the exposure adjustment keys (
or
) to
complete the setting.
• Display lamps (
,
,
) go off and the copy quantity display
returns to the normal state.
Function
Contents
Factory setting
Auto clear
•When a certain time is passed after completion of copying, this function returns to the initial state
automatically. The time to reach the initial state can be set in the range of 30 sec to 120 sec by the unit of
30 sec. This function can be disabled.
60 sec
Pre-heat
•When the copier is left unused with the power ON, the power consumption is automatically reduced to
about 40Wh/H (* Note).The time to start this function can be set in the range of 30 sec to 90 sec by the
unit of 30 sec. This function cannot be disabled.
unit of 30 sec. This function cannot be disabled.
•When this function is operated, the pre-heat lamp on the operation panel lights up.To return to the initial
state, press any key on the operation panel. (When the COPY button is pressed, a copy is made after
returning to the initial state.)
90 sec
Auto shut off passing
time
time
•When the copier is left unused with the power ON, the power consumption is automatically reduced to
about 18Wh/H (* Note). The time to start this function can be set in the range of 2 min to 120 min.
• When this function is operated, all the lamps except for the pre-heat lamp on the operation panel turn off.
To return to the initial state, press the COPY button.
5 min
Stream feeding
Only models with SPF
Set
Auto shut off setting
•Used to set or cancel this function.
Set
Function name
Function code
Auto clear
1
Pre-heat
2
Auto shut off passing time
3
Stream feeding
4*
Auto shut off setting
5
Function name
Set code
Auto clear
0 (Cancel)
1 (30 sec)
*2 (60 sec)
3 (90 sec)
4 (120 sec)
Pre-heat
0 (30 sec)
1 (60 sec)
2 (90 sec)
Auto shut off
0 (2 min)
*1 (5 min)
2 (15 min)
3 (30 min)
4 (60 min)
5 (120 min)
Stream feeding
0 (Cancel)
*1 (Setting)
Auto shut off setting
0 (Cancel)
*1 (Setting)
!"#
AL-1551 ELECTRICAL SECTION 12-1
[12]ELECTRICAL SECTION
1. Block diagram
A. Overall block diagram
SRAM
JITTER
SYNC IC
ASIC
CPU
EPROM
SRAM
EEPROM
RESET IC
5V
CN5
CN15
CN9
CN3
CN20
CN23
CN30
CN26
Toner Motor
INTERLOCK SWITCH
HL
CN3
Power
UNIT
High Voltage
Control Unit
24V
12V
5V
3.3V
GND
FM
MC
BIAS
HLOUT
GRIDL
TC
PR
AC PWB
AC INPUT
CCD
LSU
MIRROR
MOTOR
VFM
CPFS1
RRS
MPFS
OPE PANEL
COPY
LAMP
Duplex
Motor
(Duplex model
Only)
CN
902
CRU
Reset
Switch
Other Loads
AND
AND
Reference
AND
AND
AND
UART
LASER
Print MEMORY
MCU PWB
CN16
SPF(SPF model),
UNIT
R-SPF(R-SPF model)
F-PUMA MCU PWB Overall block diagram
MHPS
RTH
TCS
POD
PPD1
PPD2
MMLD
MHPS
CED1
DVSEL
SDOD
PSW2
PSW1
CED2
GDI
UNIT
Printed
Visual Data
MAIN
MOTOR
Other Inputs
!"#$%&
AL-1551 ELECTRICAL SECTION 12-2
B. MCU PWB unit
PAPER
CASSETTE1
TRAY EMPTY
DETECTOR
PAPER FEED
SOLENOID
PAPER
CASSETTE2
TRAY EMPTY
DETECTOR
PAPER FEED
SOLENOID
RESIST ROLLER
SOLENOID
PAPER EXIT
DETECTOR
MANUAL
PAPER FEED
PAPER FEED
SOLENOID
PAPER
DETECTOR
PAPER PATH DETECTOR 3
(Near CASSETTE2)
LSU UNIT
Duplex Motor
POLIGON
MOTOR
DRAM PWB
GDI PWB
CCD PWB
MCU 1/2
SPF Door OPEN
DEVELOPING BIAS
GRID CONTROL
TRANSFER CHARGER
MAIN CHARGER
HEATER LAMP
THERMISTOR
PAPER PATH DETECTOR 2
(Inside of FUSER)
PAPER PATH DETECTOR 1
(Near PS ROLLER)
COPY LAMP
VENCH RATION
FANMOTOR
TONER
MOTOR
MIRROR
MOTOR
MIRROR
HOME
POSITION
SENSER
MAIN
MOTOR
MAIN
MOTOR
LOCK
DETECTOR
TONER
CONTROL
SENSER
OPERATION PWB A (for Copier/GDI)
KEY
NEW PROCESS UNIT
SENSER
HIGH VOLTAGE
CONTROL UNIT
ELECTRIC
SOURCE
POWER
RELAY
INTERLOCK
INTERLOCK
CN104
CN102
CN106
CN110
OR
CN107
CN118
CN116
CN113
CN125
CN122
CN105
CN112
CN120
CN121
CN111
CN109
CN103
CN101
CN126
CN124
CN114
CN119
IC103
IC103
IC103
IC103
IC205
IC109
IC204
IC109
IC202
IC210
IC102
IC211
IC103
IC109
IC209
IC203
IC206
IC203
IC103
IC102
IC206
IC101
IC211
IC113
IC109
IC109
IC205
IC203
IC206
IC108
CPU(H8S/2350)
IC110
ASIC(HG73C025FD)
IC206
IC203
IC203
IC206
CN108
CN115
IC206
IC111
/CED1
/CPFS1
/CED2
/CPFS2
PPD3
MFD
/MPFS
/RRS
POD
DRST
OP-CLK
OP-LATCH
OP-DATA
PSW
KIN1
KIN2
MMLD
/MM
MHPS
MRMT0 `3
TCS
TMa-O
TMb-O
VFMOUT
/VFMCNT
/CL
PPD1
PMCLK-A
/PMD
PMRDY
DMT
SPF / RSPF
/VIDEO
S/H
/LDEN
HSYNC
DATA
DATA
INIT
/SLCTIN
/AUTOFD
/STB
/ACK
BUSY
PE
/FAULT
/SLCTIN
/REV
CCDHI
CCDLO
etc...
CCDD0 `7
etc...
SDOD
/BIAS
FW
/PR
HLOUT
24V(DSWS)
5V(DSWS)
RTH-IN
PPD2
/TC
/MC
/GRIDL
CN123
MCU 2 / 2
IC108 CPU
IC110 ASIC
IC113
IC109
IC114
IC202
!"#$%&
AL-1551 ELECTRICAL SECTION 12-3
2. Circuit descriptions
A. Man PWB (MCU)
(1) CPU signal table
PIN
No.
Signal
code
Input/output
Operating
1
/CS1
Output
Chip Select for SRAM
2
/CS0
Output
Chip Select for EPROM
3
D-GND
4
D-GND
5
5V
6
A0
Output
Address Bus (NC-pull up)
7
A1
Output
Address Bus
8
A2
Output
Address Bus
9
A3
Output
Address Bus
10
D-GND
11
A4
Output
Address Bus
12
A5
Output
Address Bus
13
A6
Output
Address Bus
14
A7
Output
Address Bus
15
A8
Output
Address Bus
16
A9
Output
Address Bus
17
A10
Output
Address Bus
18
A11
Output
Address Bus
19
D-GND
20
A12
Output
Address Bus
21
A13
Output
Address Bus
22
A14
Output
Address Bus
23
A15
Output
Address Bus
24
A16
Output
Address Bus
25
A17
Output
Address Bus
26
A18
Output
Address Bus
27
A19
Output
Address Bus (NC-pull up)
28
D-GND
29
A20
Output
Address Bus (NC-pull up)
30
NC-pull up
31
(SPPD)
Interruption
level input
level input
SPF Paper Pass Detector
32
USB-IN
Input
USB Connector-In Detect
33
(MHPS)
Interruption
level input
level input
Mirror Home Position Sensor
34
/CPU
SYNC
SYNC
Interruption
level input
level input
Horizontal Synchronous (from G/A)
35
D-GND
36
D-GND
37
ZC
Interruption
level input
level input
Zero-cross signal
38 /ASICINT
Interruption
level input
level input
Interrupt from G/A
39
5V
40
D0
Data input/
output
output
Data Bus
41
D1
Data input/
output
output
Data Bus
42
D2
Data input/
output
output
Data Bus
43
D3
Data input/
output
output
Data Bus
44
D-GND
45
D4
Data input/
output
output
Data Bus
46
D5
Data input/
output
output
Data Bus
47
D6
Data input/
output
output
Data Bus
48
D7
Data input/
output
output
Data Bus
49
D8
Data input/
output
output
Data Bus
50
D9
Data input/
output
output
Data Bus
51
D10
Data input/
output
output
Data Bus
52
D11
Data input/
output
output
Data Bus
53
D-GND
54
D12
Data input/
output
output
Data Bus
55
D13
Data input/
output
output
Data Bus
56
D14
Data input/
output
output
Data Bus
57
D15
Data input/
output
output
Data Bus
58
5V
59
(OPDATA) Output
Data Signal for Operation Panel
60
FTXD
Output
TXD for Additional Board
61
FRTS
Output
RTS for Additional Board
62
FRXD
Input
RXD for Additional Board
63
(OP-CLK)
Output
Clock for Operation Panel
64
TMON
Output
Power Supply Signal for Toner Motor
Driver IC
Driver IC
65
D-GND
66
FCTS
Input
CTS for Additional Board
67
D-GND
68
D-GND
69
PSW
Input Print
switch
input
70
KIN1
Input
Key input 1
71
KIN2
Input
Key input 2
72
TMCLK
Timer output Clock for Toner Motor
73
/TMEN
Output
On-Off Control for Toner Motor
74
/POFF
Output
Power Off Signal for Additional Board
75
PMCLK
Timer output Clock for Polygon Motor
76
/PRSTART Output
Printing Start Signal
77
/SCANSP
Output
Scanning Stop Signal
78
/SCANST
Output
Scanning Start Signal
79
HL
Output
(Timer
output)
(Timer
output)
On-Off Control for Heater Lamp
80
WDTOVF- Output
Watchdog Timer
81
RES-
Input
Reset
82
Input
pull up
83
Input
pull up
84
5V
85
XTAL
Clock
86
EXTAL
Clock
87
D-GND
88
CPUCLK
Output
System Clock for G/A
89
5V
90
/AS
Output
pull up
91
/RD
Output
Read Signal
92
/HWR
Output
Write Signal (High Address)
PIN
No.
Signal
code
Input/output
Operating
' !"#$%&
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