Sharp AL-1550 Service Manual
AL-1550
CODE: 00ZAL1550/A1E
DIGITAL COPIER
MODEL AL-1550
* This Service Manual describes only the differences from
the AL-1250. For the common items with the AL-1250,
please refer to the AL-1250 manual.
CONTENTS
[ 1 ] GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1
[ 2 ] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . 1 - 1
[ 3 ] EXTERNAL VIEWS AND INTERNAL STRUCTURE . . . . 3 - 1
[ 4 ] UNPACKING AND INSTALLATION . . . . . . . . . . . . . 4 - 1
[ 5 ] OPERATIONAL DESCRIPTIONS . . . . . . . . . . . . . . 5 - 1
[ 6 ] DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . 6 - 1
[ 7 ] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . 7 - 1
[ 8 ] SIMULATION, TROUBLE CODES . . . . . . . . . . . . . . 8 - 1
[ 9 ] USER PROGRAMS . . . . . . . . . . . . . . . . . . . . . . 9 - 1
[10] ELECTRICAL SECTION . . . . . . . . . . . . . . . . . . 10 - 1
[11] CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . 11 - 1
● PARTS GUIDE
Parts marked w ith “ ” is important fo r maintaining the sa fety of the set. Be sure to replace these par ts with specified
ones for maintaining the safety and performance of the set.
SHARP CORPORATION
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
AL-1550
[1] GENERAL
1. Main features
A. Duplex copy
The digital system allows automatic duplex copying in the sequence of
pages by face down.
B. R-SPF
The R-SPF unit realizes efficient and smooth duplex copying as well as
single copying.
C. 1 scan multi copy
By combined use with the automatic document feeder, multi copying
from single to single is allowed.
D. Multi function
Realizes MFP by integration of the printer.
E. Compact design
Realizes a compact design of wingless form.
[2] Specifications
1. Basic Specification
Item
External dimensions H464 × W518 × D477 mm
Weight 24.6 kg
2. Operation specification
Section item Details
Paper feed
section
Paper for
Duplex
Electrical
section
Installed memory 6MB
∗1) May fluctuate due to environmental conditions and the input volt-
age.
Paper feed
system
AB system
Inch system
Power
source
Power
consumption
Paper size
Paper weight 56-80g/m
Kinds
Paper size
Paper weight 15-21lbs
Kinds
Voltage
Frequency
Max 1000 W
Average
(during
copying)
Average
(stand-by)
Pre-heat
mode
Auto power
shut-off
mode
2 tray (250sheet ×
2) + Multi bypass
(50sheet)
A4, B5, A5
(Landscape)
Standard paper,
specified paper,
Recycled paper
8-1/2" × 14", 8-
1/2" × 11", 8-1/2"
(Landscape)
Standard paper,
specified paper,
Recycled paper
100V 110V
120/127V 230V
Common use for
50 and 60Hz
285Wh/H ∗1)
70Wh/H ∗1)
40Wh/H ∗1)
18Wh/H ∗1)
2
× 5-1/2"
240V
3. Copy performance
Section item Details
Copy speed
Copy speed
(OC)
Copy Speed
(R-SPF) A4,
8-1/2"-11"
(Landscape)
Void
1 – 1
First copy
time
AB system:
A4
(Landscape)
B5
(Landscape)
Inch
system: 81/2" × 14"
(Landscape)
8-1/2" × 11"
(Landscape)
S to S
S to D Single copy
D to S
D to D Single copy
Void area
OC (Without
Duplex)
Image loss
OC (Without
Duplex)
Void area RSPF
(Without
Duplex)
9.6sec. (Pre-heat
mode: 16sec. or
delow/Auto power-
Tray paper
feed
Manual
paper feed
R-SPF Tray1: 13.5sec.
Same size 15
Enlargement 15
Reduction 15
Same size 15
Enlargement 15
Reduction 15
Same size 12
Enlargement 12
Reduction 12
Same size 15
Enlargement 15
Reduction 15
Single copy
Multi copy
Single copy
Multi copy
Ieading edge 1 ∼ 4mm
Trailing edge 4mm or less
Side edge
void area
Ieading edge
Trailing edge
Side edge
void area
Ieading edge 1 ∼ 4mm
Trailing edge 4mm or less
Side edge
void area
shut-off mode:
23sec. or delow
Feed from
Tray1/Scan Once
Print Many Mode:
13.sec.)
Single:
10.0sec./Multi:
8.0sec. (Pre-heat
mode: 16sec.)
Tray1: 12CPM,
Tray2: 9CPM
Tray1: 15CPM,
Tray2: 15CPM
Tray1: 5.6CPM,
Tray2: 5.4CPM
Tray1: 6.2CPM,
Tray2: 6.2CPM
Tray1: 15CPM,
Tray2: 15CPM
Tray1: 5.2CPM,
Tray2: 5.0CPM
3mm or less (per
side)
Same size: 3.0mm
or less
Enlarge (200):
1.5mm or less
Reduction (50):
6.0mm or less
Same size: 4.0mm
or less
Enlarge (200):
4.0mm or less
Reduction (50):
4.0mm or less
Same size: 2.0mm
or less
Enlarge (200):
2.0mm or less
Reduction (50):
2.0mm or less
3mm or less(per
side)
Void
AL-1550
Section item Details
Ieading edge
Image loss
R-SPF
(Without
Duplex)
Trailing edge
Ieading edge 1 ∼ 4mm
Void area
OC (Duplex)
Image loss
OC (Duplex)
Void area RSPF (Duplex)
Image loss
R-SPF
(Duplex)
Trailing edge
Side edge
void area
Ieading edge
Trailing edge
Ieading edge 1 ∼ 4mm
Trailing edge
Side edge
void area
Ieading edge
Trailing edge
Same size: 4.0mm
or less
Enlarge (200):
3.0mm or less
Reduction (50):
7.0mm or less
Same size: 4.0mm
or less
Enlarge (200):
2.0mm or less
Reduction (50):
8.0mm or less
1st Page: 5mm +/–
1.0, 2nd Page:
5mm or less
3mm or less (per
side)
Same size: 3.0mm
or less
Enlarge (200):
2.0mm or less
Reduction (50):
6.0mm or less
Same size: 1st
Page: 5.0mm +/–
1.0, 2nd Page:
5.0mm or less
Enlarge (200): 1st
Page: 2.5mm +/–
1.0, 2nd Page:
2.5mm or less
Reduction (50):
1st Page: 10.0mm
+/– 1.0, 2nd Page:
10.0mm or less
1st Page: 5mm +/–
1.0, 2nd Page:
5mm or less
3mm or less (per
side)
Same size: 4.0mm
or less
Enlarge (200):
3.0mm or less
Reduction (50):
7.0mm or less
Same size: 1st
Page: 5.0mm +/–
1.0, 2nd Page:
5.0mm or less
Enlarge (200): 1st
Page: 2.5mm +/–
1.0, 2nd Page:
2.5mm or less
Reduction (50):
1st Page: 10.0mm
+/– 1.0, 2nd Page:
10.0mm or less
1 – 2
[3] EXTERNAL VIEWS AND INTERNAL STRUCTURES
1. Appearance
4
3
SPF XD103f/ 105f/ 120f
ADF XD155df only
1
15
13
14
1 Control panel 2 Document glass 3 Original exit area
4 Original guides 5 Original feeder tray 6 Document cover
7 Side cover 8 Paper tray bypass paper guides 9 Alternate paper tray
10 Paper guides 11 Release latch 12 Front cover
13 Paper tray 1 14 Paper tray 2 15 Exit tray
16 Lift area 17 Power switch 18 Power connection
19 Parallel port 20 Serial number
∗1 XD104/105f/124f/155df only
∗2 XD120f/124f/155df only
5
6
2
8
10
20
12
7
11
9
18
19
17
AL-1550
15
16
3 – 1
AL-1550
2. Control Panel
20 0% Ma x
129%
86%
78%
Auto
134567810 1416171592 1311 12
The control panel has keys and lights that are used to control and display the conditions of the WorkCentre.
Book Mode (XD104/124f only): Select
book mode when you want to make
copies from a bound document.
1
Copy Contrast: Press the contrast keys
to lighten or darken copies while in the
Text, Photo, or Toner Save settings.
Refer to the Image Quality section for
detailed information.
4
Variable Percentage: Press the down
key to decrease the percentage. Press
7
the up key to increase the percentage.
Any percentage from 50% to 200%
may be selected.
Quantity Keys: Select up to 100
copies. Press the 1 key to increase
the quantity by one. Press the 10 key
to increase the quantity by 10.
10
∗ To display the number of copies
requested during the copy run press
the 10 key.
∗ Press the Clear key to clear the
selected quantity.
SPF/ADF Misfeed Indicator: This
indicator will light when a misfeed
occurs in the SPF or the ADF.
13
Start: Press this key to begin copying.
∗ The display will change to 1 and
16
increases by 1 as each copy is
made.
10 0 %
1
10
1-Sided/2-Sided Mode (XD155df only):
Use the 2-Sided copy feature to make
one or two-sided copies from one or
two-sided originals. Refer to the
2
Making Copies on the Automatic
Document Feeder section for detailed
information.
Preset Reduction/Enlargement: Press
this key to select any of the preset
reductions or enlargements.
∗ The (customer settable)
5
percentage has been set at the
factory for 50%. Refer to
Customizing Your WorkCentre for
information about changing this
percentage.
%: Press this key to display the
reduction/enlargement percentage
8
selected. 9
WorkCentre Diagram: Helps you locate
areas that require your attention. The
indicators will flash in the area
requiring attention. For additional
information refer to the Problem
11
Solving section.
On-line/Off-line Key: Press this button
to alternate between On-line and Offline status. When the light is lit, the
14
printer is On-line.
Clear/Stop: Press this key to stop the
WorkCentre while making copies or to
17
clear copy quantity. If the key is
pressed twice quickly, all programming
will be cleared.
Image Quality Mode: The image quality
mode is used to maximiz e copy quality.
Auto- for originals with a colored
background or mixed text and graphics.
3
Text - for originals that contain mainly text.
Photo - for copying photographs.
Toner Save - decreases the overall
copy density.
Percentage Indicator: The indicator will
light when any reduction or
enlargement setting is selected.
6
Display Window: Copy quantity,
reduction/enlargement settings, and
status codes appear in this area.
Paper Supply Selection
(XD104/105f/120f/124f/155df only):
Press to change the selected paper
supply. The selected paper supply
location will be indicated by a green
12
light on the WorkCentre diagram.
Ready Indicator: When the light is ON
(not flashing), the WorkCentre is ready
to make copies. When the light is
15
flashing after the Start key is pressed,
the WorkCentre is warming up and the
copy cycle will begin automatically.
C
3 – 2
[4] UNPACKING AND INSTALLATION
1. CHECKING PACKED COMPONENTS
AND ACCESSORIES
As you unpack the WorkCentre, familiarize yourself with its contents.
After the WorkCentre is installed, and the Ready Indicator is lit, the
WorkCentre is ready to make copies.
IMPORTANT: Save the carton and packing materials. They should be
used to repack the WorkCentre if it has to be shipped
for servicing or in case you move.
Power cord
IEEE-1284
Parallel Cable *
Packing material
User documentation/
Installation CD
Drum cartridge
(installed in the
machine)
AL-1550
5) Lift and pull open the paper tray.
Turn and remove the paper tray
button.
CAUTION: Paper will misfeed if the paper
For the XD 120f/124f/155df copier only
Note: Be sure to remove the pressure
6) Secure the paper tray button and the
Note: Save the paper tray button and the
7) Load paper into the tray.
8) Push the paper tray firmly back into
tray button is not removed.
plate lock from both paper trays.
shipping screw in the locations shown.
●
Turn the paper tray button to secure
its storage position.
shipping screw. They will be
needed if the WorkCentre has to
be moved.
●
Refer to the Loading Paper section
for additional information.
●
Do not fill above the max line.
the WorkCentre.
Starter toner
cartridge
∗Note: To ensure reliability of the WorkCentre use the IEEE-1284
compliant parallel cable that is supplied with the machine. Only
cables labeled "IEEE-1284" can be used with your WorkCentre.
2. Installation
Follow the steps below to properly set up your Xerox WorkCentre.
A
E
B
1) Remove the bag from the WorkCentre.
D
2) Remove the pieces of tape A, B, C,
C
D, and the packing material E.
XD155df copier only
Remove the tape and the packing material
supporting the clear plastic 2-sided tray.
XD155df copier only
To ensure the 2-sided tray is in the
correct position, gently push it in the
direction shown by the arrow.
3) Open the document cover and
remove the packing materials shown.
4) Unscrew and remove the shipping
screw from the left side of the
WorkCentre.
CAUTION: The WorkCentre will
malfunction if the shipping
screw is not removed.
Note: Ensure that the alternate paper tray
is lowered (XD 104/124f/155df only).
9) Press the release lever to open the
side cover.
10) Remove the Caution tape from the
cover.
11) Remove the two red fuser pins by
pulling the string upward one at a
time.
●
Discard the fuser pins.
Note: Misfeeds will occur if the fuser pins
are not removed.
CAUTION: Ensure that the side cover is
always open before opening
the front cover.
12) Press the front cover release buttons
to open the front cover.
13) Remove the starter toner cartridge
from the silver bag. Vigorously shake
1
2
the cartridge to loosen the toner.
●
Thoroughly shaking the cartridge will
assure maximum copies per
cartridge.
●
Xerox has included a Starter Toner
Cartridge. Purchased replacement
toner cartridges will yield
approximately three times the number
of copies.
14) Remove the toner cartridge cover.
15) Slide the toner cartridge into the
WorkCentre until it locks into place.
16) Close the front cover and the side
1
2
3
cover.
Skip to the Printer Driver Software
Installation section in this User Guide to
set up the WorkCentre XD for printing.
4 – 1
AL-1550
17) Plug the power cord into the
18) Turn on the power switch. In
Note: Save the carton and packing
3. P Loading Paper
1) Lift and pull open the paper tray.
2) Push down on the pressure plate
Note: The procedures for loading paper
WorkCentre and then into a grounded
outlet.
approximately two seconds the ready
indicator will light. Copying is now
possible.
materials. They should be used to
repack the WorkCentre if it has to
be shipped for servicing or moved.
until it locks in position.
into tray 1 and tray 2 are identical.
3) Adjust the paper guides to the
desired paper size.
●
Squeeze the side guide.
●
Lift and insert the rear guide.
●
When adding paper larger than
8.5L11/A4, remove the rear guide and
store it in the pocket in front of the
side guide.
4) Fan the paper and insert it into the
tray.
●
Ensure that the paper corners are
under the corner snubbers.
●
Do not fill above the max fill line.
5) Close the paper tray.
6) If copying, press Start to continue. If
printing, the job will automatically
resume.
●
To cancel the flashing P without
restarting copying, press the Clear
button.
4 – 2
AL-1550
[5] Operational descriptions
1. D-D (Duplex to Duplex) mode
paper/document transport
A. Initial state
Set duplex documents on the document tray.
Set paper on the cassette. (In the duplex mode, the manual feed tray
cannot be selected.)
B. Front copy
Document transport: The document feed roller feeds the document
from the paper feed roller to the PS roller.
→ The document is exposed in the exposure
section, and sent to the document exit section
by the transport/paper exit roller.
→ R-SPF gate solenoid ON
→ The document is sent to the intermediate tray
(but not discharged completely.)
→ The document is stopped once, then
switchback operation is performed. (To the
back copy)
Paper transport: The document is passed through the paper feed
roller and the PS roller by the paper feed roller
and the images on the front surface are transferred.
→ The paper is passed through the fusing sec-
tion and the lower side of the gate section to
the paper exit tray side, (but not discharged
completely.)
→ It is stopped once and switchback operation
is performed. (To the back copy)
Gate OFF
C. Back copy
Document transport: By switchback operation, the document is sent
through the PS roller to the exposure section,
where the back of the document is exposed.
→ It is sent to the document exit section by the
transport roller and the paper exit roller.
→ R-SPF gate solenoid ON. The document is
sent to the intermediate tray, (but not discharged completely.)
→ It is stopped once and switchback operation
is performed.
→ It is sent through the PS roller and the ex-
posure section (without exposure operation)
to the document exit section.
→ R-SPF gate solenoid OFF
→ The document is discharged to the document
exit tray.
Paper transport: Switchback operation is performed.
→ The paper is sent through the upper side of
the gate section and the duplex transport section, and the PS roller, and the images on the
back are transferred.
→ It is sent through the fusing section and dis-
charged to the paper exit tray.
Gate ON
Upper Side of Gate
Gate ON
Lower Side of Gate
Gate ON
Gate OFF
Switchback operation is made after back copying in order to discharge
documents according to the setting.
Set document Documents after discharge,
1
with empty feed
23 4
4
without empty feed
3
32 1
41 2
There are following job modes as well as D-D mode.
S - S (Simplex to Simplex)
S - D (Simplex to Duplex), Rotation copy mode (The back images are
rotated 180˚.)
S - D (Simplex to Duplex), Copy mode without rotation
D - S (Duplex to Simplex)
Rotation copy mode: The front and the back are in upside
down each other.
Copy mode without rotation: The front and the back are not in upside
down.
5 – 1
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