Sharp DM-1500 (serv.man2) Service Manual ▷ View online
[10] USER PROGRAM
The conditions of factory setting can be changed according to the use conditions.
Functions which can be set with the user program
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.
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 (
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.
This function cannot be disabled.
90 sec
●
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.)
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.)
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 (
to about 18Wh/H (
∗ Note). The time to start this function can be set in the range of 2 min to 120
min.
5 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.
turn off.
To return to the initial state, press the COPY button.
Stream feeding.
Only models with SPF.
Set
Auto shut off setting
●
Used to set or cancel this function.
Set
∗Note: The power consumption values in pre-heat and auto shut off may be varied depending on the use conditions.
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.
Function name
Function code
Auto clear
1
Pre-heat
2
Auto shut off passing time
3
Stream feeding
4
✽
Auto shut off setting
5
[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.
Function
name
name
Set code
Function
name
name
Set code
Function
name
name
Set code
Function
name
name
Set code
Function
name
name
Set code
Auto clear
0 (Cancel)
Pre-heat
0 (30 sec)
Auto shut
off
off
0 (2 min)
Stream
feeding
feeding
0 (Cancel)
Auto shut
off setting
off setting
0 (Cancel)
1 (30 sec)
1 (60 sec)
∗1 (5 min)
∗1 (Setting)
∗1 (Setting)
∗2 (60 sec)
∗2 (90 sec)
2 (15 min)
3 (90 sec)
3 (30 min)
4 (120 sec)
4 (60 min)
5 (10 sec)
5 (120 min)
∗ : Factory setting
● The number of the selected set code blinks on the digit of 1 of the
copy quantity display.
[Cancel] When a wrong number of the function code is set, press the
clear key and perform the procedure again from 2.
5. Press the COPY button.
● The number blinking on the digit of 1 of the copy quantity display
is lighted 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 2.
6. Press either one of exposure adjustment keys
( or ) to complete the setting.
● Display lamps (
,
,
,
) go off and the copy quantity
display returns to the normal state.
DM-1505
10 – 1
[11] 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
(DM-1505 Only)
CN
902
CRU
Reset
Switch
Other Loads
AND
AND
Reference
AND
AND
AND
UART
LASER
Print MEMORY
MCU PWB
CN16
SPF(DM-1500),
UNIT
R-SPF(DM-1505)
CRSM UNIT
MCU PWB Overall block diagram
MHPS
RTH
TCS
POD
PPD1
PPD2
MMLD
MHPS
CED1
DVSEL
SDOD
PSW2
PSW1
CED2
PCL/USB
UNIT
Printed
Visual Data
MAIN
MOTOR
Other Inputs
DM-1505
11 – 1
B. MCU PWB unit
FAX OPE PWB
CN5
FAX PWB
/SCANST
/PRSTART
/POFF
/FRTS
etc..
DM-1505 MCU PWB UNIT
CN23
PMCLK-A /PMD
/VIDEO
S/H
/LDEN
PMRDY
GDI-IN
/1284-EN
USB-EN
USB-ON
/FAXPRQ
/FAXACK
/FAXCS /FAXREQ
etc..
LASER UNIT
(LSU)
POLYGON
MOTOR
HSYNC
GDI/USB
UNIT
CN15
CN16
USB-IN
SPPD
SPID
SB4D
GDI
MEMORY
/SPUS
/SGS
/SRRC
/SPFS
SPF UNIT
CCDHI
CCDLO
CCD PWB
CN30
CN31
SDOD
etc..
etc..
CN26
CRSM UNIT
PAPER
CASSETTE1
PAPER
CASSETTE2
TRAY EMPTY
DETECTOR
PAPER WIDTH
DETECTION
PAPER WIDTH
DETECTION
PAPER FEED
SOLENOID
TRAY EMPTY
DETECTOR
PAPER FEED
SOLENOID
CN1
CN6
CN10
CN7
/CED1
/CPFS1
/CED2
/CPFS2
PSW1
PSW2
IC3
IC103
IC105
IC102
IC104
IC3
IC111
IC106
IC8
IC105
IC8
IC9
CPU
(H8S/2350)
IC106
IC2
IC113
IC104
IC113
IC13
IC12
IC10
ASIC
(HG73CO25FD)
IC110
CN3
CN17
IC103
IC105
IC16
IC109
CN17
IC105
/BIAS
DVSEL
DV SENSOR
DEVELOPING BIAS
FW
/PR
HIGH VOLTAGE
CONTROL UNIT
HLOUT
ELECTRIC
SOURCE
POWER
RELAY
HEATER
LAMP
THERMISTOR
GRID CONTROL
TRANSFER CHARGER
MAIN CHARGER
IC3
IC8
FTH
MANUAL
PAPER
FEED
PAPER
DETECTOR
PAPER EXIT
DETECTOR
PAPER FEED
SOLENOID
RESIST ROLLER
SOLENOID
MFD
/RRS
POD
/MPFS
IC105
IC3
IC105
IC3
CN22
CN11
CN12
IC103
IC108
IC113
CN18
CN27
MHPS
PSW
KIN1
KIN2
OP-CLK
OP-LATCH
OP-DATA
KEY
DRST
MMLD
/MM
IC8
IC106
CN20
VFMOUT
/VFMCNT
IC2
IC3
IC105
IC12
CN17
IC1
CN9
TCS
CN28
TMa-O
TMb-O
CN25
CN21
IC109
IC101
IC105
IC103
IC103
CN13
CN4
PPD1
/CL
CN14
PPD2
RTH-IN
5V(DSWS)
24V(DSWS)
OPE PWB
NEW PROCESS UNIT SENSOR
MAIN
MOTOR
LOCK
DETECTOR
MAIN
MOTOR
MIRROR
HOME
POSITION
SENSOR
MIRROR
MOTOR
TONER
MOTOR
VENCH RATION
FAN MOTOR
TONER
CONTROL
SENSOR
COPY
LAMP
INTERLOCK
INTERLOCK
PAPER DETECTOR2
(In FUSER UNIT)
PAPER DETECTOR1
(Near RESIST ROLLER)
DM-1505
11 – 2
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
SPF Paper Pass Detector
32
USB-IN
Input
USB Connector-In Detect
33
(MHPS)
Interruption
level input
Mirror Home Position Sensor
34
/CPU
SYNC
SYNC
Interruption
level input
Horizontal Synchronous (from
G/A)
G/A)
35
D-GND
36
D-GND
37
ZC
Interruption
level input
Zero-cross signal
38
/ASICINT
Interruption
level input
Intterupt from G/A
PIN
No.
Signal
code
Input/output
Operating
39
5V
40
D0
Data
input/output
Data Bus
41
D1
Data
input/output
Data Bus
42
D2
Data
input/output
Data Bus
43
D3
Data
input/output
Data Bus
44
D-GND
45
D4
Data
input/output
Data Bus
46
D5
Data
input/output
Data Bus
47
D6
Data
input/output
Data Bus
48
D7
Data
input/output
Data Bus
49
D8
Data
input/output
Data Bus
50
D9
Data
input/output
Data Bus
51
D10
Data
input/output
Data Bus
52
D11
Data
input/output
Data Bus
53
D-GND
54
D12
Data
input/output
Data Bus
55
D13
Data
input/output
Data Bus
56
D14
Data
input/output
Data Bus
57
D15
Data
input/output
Data Bus
58
5V
59
(OP-
DATA)
DATA)
Output
Data Signal for Operation
Panel
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
Motor Driver IC
65
D-GND
66
FCTS
Input
CTS for Additional Board
67
D-GND
68
D-GND
DM-1505
11 – 3
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