Sharp AR-P15 User manual

SHARP AR-P15
for the AR-651/810 series
SERVICE GUIDE
A guide for service technicians
Part Number: 4502XXXX

Copyright © 2002 Electronics For Imaging, Inc. All rights
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This product may be covered by one or more of the following U.S. Patents: 4,500,919,
4,837,722, 5,212,546, 5,343,311, 5,424,754, 5,467,446, 5,506,946, 5,517,334, 5,537,516,
5,543,940, 5,553,200, 5,615,314, 5,619,624, 5,625,712, 5,666,436, 5,760,913, 5,818,645,
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6,201,614, 6,215,562, 6,219,659, 6,222,641, 6,224,048, 6,225,974, 6,226,419, 6,238,105,
6,239,895, 6,256,108, 6,269,190, 6,289,122, 6,292,270, 6,310,697, 6,327,047, 6,327,050,
6,327,052, RE36,947, D406,117, D416,550, D417,864, D419,185, D426,206, D439,851,
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Contents
v
Overview 1
Accessing the AR-P15 3
Checking connections 4
LEDs and jumpers 5
Replacing AR-P15 components 5
Replacing the AR-P15 motherboard 6
Replacing or adding a DIMM 7
Restoring functionality after service 8
Using the Control Panel 9
Startup 10
Online/Offline 10
Printing AR-P15 pages 13
Verifying connection to the network 15
Verifying the parallel port connection 16
System Software 18
System Software installation reminders 18
Installing System Software 19
Using TopAccess to view and export the Setting Code 22
Requirements 22
Specifications 26
Hardware features 26
Networking and connectivity 26
User software 26
Safety and emissions compliance 26
The troubleshooting process 27
Where problems occur 28
Before you go to the customer site 29
Preliminary on-site checkout 30
Checking connections 30
Checking the network 32
Printing to the AR-P15 32
Index

1
Overview
Overview
The Sharp AR-P15 Network Printer Board embeds computer connectivity and highly
efficient PCL printing capacity into the Sharp AR-651/810 series of digital copiers. The
Sharp AR-P15 Network Printer Board is shipped with all necessary software already
installed.
This guide refers to the Sharp AR-P15 Network Printer Board as the “AR-P15” and
refers to the Sharp AR-651/810 series as the “copier”.
The AR-P15 provides the Ethernet networking interface, handles the communication
with external devices, and controls (optional) hard disk drive functions. The on-board
CPU controls the printing image data transferred to and from the copier. Standard
on-board memory totals 128MB, supplied in one DIMM in J49.
Optional upgrades for the AR-P15 include:
•PostScript option—PostScript (PS) key chip for motherboard socket U800
•Hard disk drive (HDD) option—HDD key chip for motherboard socket U800,
HDD, and HDD ribbon cable for motherboard connector J207.
•Memory option—one additional 128MB DIMM for motherboard socket J48
This guide describes how to service the AR-P15, including how to reinstall system
software, if necessary. Generally, the AR-P15 does not require regular maintenance. Use
the procedures in this guide to inspect, remove, reseat, or replace major hardware
components and to reinstall system software.
This document includes information on:
• AR-P15 motherboard and chassis (page 6)
• AR-P15 memory (page 7)
•System software (page 18)
You will need to reinstall system software if you:
•Replace the optional hard disk drive
•Upgrade to a more recent version of the system software
Spares for the AR-P15 are available from your authorized service support center.
On the standard AR-P15, system software resides in flash memory. When the AR-P15 is
configured with the HDD option, system software resides in the HDD.

2
Overview
F
IGURE
A
AR-P15 exploded view
Key
1. AR-P15 motherboard
2. Connector to copier
3. Key chip socket for PostScript option or
HDD option (U800)
4. CPU cooling assembly
5. DIMM
6. DIMM sockets
7. Socketed BIOS chip (U202)
8. Optional HDD cable (for HDD option)
9. Optional HDD
10. Optional key chip
11. Network activity LEDs
12. RJ-45 network connector
13. Parallel port connector
14. AR-P15 chassis with faceplate
9
7
11
8
6
5
4
3
2
1
12
14
13
10

3
Accessing the AR-P15
Accessing the AR-P15
In order to service the AR-P15, power off and unplug the copier, and then remove the
AR-P15. See AR-P15 installation instructions (not provided in this guide).
F
IGURE
B
AR-P15 installed in the copier
Network activity LEDs (2)
Copier side panel
10BaseT/100BaseTX connector
for twisted pair Ethernet
Parallel port connector
AR-P15

4
Checking connections
Checking connections
The most common causes of hardware problems are faulty or loose connections.
First verify the following external connections:
•Network connection at the faceplate
•Parallel port connection at the faceplate
Then verify the following internal connections:
• AR-P15 connection to the copier at J924
• DIMMs J49 (and J48, with upgrade)
•Optional key chip in motherboard socket U800 (the PS key chip and HDD key chip
are not the same chip)
•Optional HDD cable connection at J207
T
O CHECK INTERNAL CONNECTIONS
1. Before you touch any parts inside the copier, wear an ESD grounding strap and follow
standard ESD (electrostatic discharge) precautions.
2. Inspect internal ribbon cables, if any, to see if they are intact.
Faulty ribbon cables are easily overlooked. Check the contact point between the optional
HDD cable and the HDD for separation. Make sure the HDD cable is locked into place
in the connector at J207. If a ribbon cable is suspect, substitute it with a tested cable. The
cable is keyed to fit the AR-P15 connector in only one way (the non-gray line on the
ribbon cable to Pin 1 on the AR-P15 board silkscreen).
3. Make sure that any AR-P15 cables, DIMMs, or other socketed components are properly
aligned and well seated on their connectors.
• Check the AR-P15 motherboard connection to the copier. This connection is for the
printer interface and the Control Panel interface, and for receiving power from the
copier power supply.
•Check the connection for each DIMM installed (one if standard, two if upgraded). See
page 7.
•Inspect for bent or broken pins on the optional key chip. These pins are delicate. If
bent, carefully straighten them with a pair of needlenose pliers. Carefully align the 8
pins of the chip with the socket before you insert the chip. Also note that the PS key
chip is not the same as the HDD key chip. (Instructions for installing optional
components are not provided in this guide.)
4. After verifying connections, if one or more AR-P15 components is still not getting
power, check the copier power supply (see copier documentation).

5
LEDs and jumpers
LEDs and jumpers
Activity indicators —Adjacent to the on-board RJ-45 connector, two green LEDs
indicate network activity and link speed. One LED indicates network activity and lights
when data is present; therefore, it blinks during data transmission. The other LED
indicates link speed and lights at 100Mbps and turns off at 10Mbps.
Jumpers —No jumpers are installed in the standard configuration.
Replacing AR-P15 components
N
OTE
:
Before performing these procedures, you must power off and unplug the copier,
and remove the AR-P15 from the copier. See the AR-P15 installation instructions (not
provided in this guide).
The AR-P15 has two DIMM sockets: one 128MB DIMM in J49 and, optionally,
another 128MB DIMM in J48 (see Figure A on page 2 and also “Replacing or adding a
DIMM” on page 7).
When the AR-P15 is installed inside the copier, the connectors for external devices are
easily accessible at the faceplate (see Figure G on page 15).
Wear an ESD grounding wrist strap and follow standard ESD (electrostatic discharge)
precautions while performing these procedures.
F
IGURE
C
AR-P15 layout
Key
1. AR-P15 motherboard
2. Connector to copier
3. Key chip socket for PostScript option or
HDD option (U800)
4. CPU cooling assembly
5. DIMM
6. DIMM sockets
7. Socketed BIOS chip (U202)
8. Optional HDD cable (for HDD option)
9. Optional HDD
10. Optional key chip (for HDD)
11. Network activity LEDs
12. RJ-45 network connector
13. Parallel port connector
9
7
11
8
6
5
4
3
2
1
12
13
10

6
Replacing AR-P15 components
Replacing the AR-P15 motherboard
When the AR-P15 motherboard needs to be replaced, use the following procedure. See
Figure A on page 2 for screw locations.
T
O REPLACE THE
AR-P15
MOTHERBOARD
Wear an ESD grounding strap and follow standard ESD (electrostatic discharge)
precautions while performing this procedure.
1. Shut down the copier and remove the AR-P15 from the copier (according to the
installation instructions, not provided in this guide).
2. Remove and set aside the 6 screws that attach the motherboard to the chassis.
3. Remove and set aside the 2 screws that attach the parallel port connector to the chassis.
4. Remove the motherboard from the chassis.
5. Remove the following standard components from the motherboard:
• DIMM in J49 (See page 7)
6. Remove any of the following optional components from the motherboard:
•Optional DIMM in J48
•Optional HDD, if present
•Optional key chip in U800, if present (see Figure C on page 5 for location)
Instructions for removing optional components are not provided in this guide.
7. Unpack the new motherboard.
8. Install the standard components you removed earlier onto the new motherboard.
To reinstall memory, see page 7.
9. Install any optional components you removed earlier onto the new motherboard.
Inspect for bent or broken pins on the optional key chip. These pins are delicate. If bent,
carefully straighten them with a pair of needlenose pliers. Carefully align the 8 pins of the
chip with the socket before you insert the chip. Also note that the PS key chip is not the
same as the HDD key chip. (Instructions for installing optional components are not
provided in this guide.)
10. Install the new motherboard into the chassis using the 8 screws you removed earlier:
•6screws attach the motherboard to the chassis
•2screws attach the parallel port connector to the chassis.
11. Reassemble the unit and verify functionality (see page 8).

7
Replacing AR-P15 components
Replacing or adding a DIMM
Each DIMM (dual in-line memory module) is held in place by a lever at each end of its
socket on the AR-P15.
The standard configuration for the AR-P15 is one 128MB DIMM installed in socket
J49. To upgrade to 256MB, install an additional 128MB DIMM in socket J48.
Approved DIMMs are available from your authorized service support center.
T
O REPLACE OR ADD A
DIMM
1. To release a DIMM, push outward on the lever on each side of the DIMM (see Figure D).
F
IGURE
D
Releasing a DIMM
2. Pull the DIMM straight out of the socket to avoid damaging it or the socket, and set the
DIMM aside.
3. To install a DIMM, insert it straight into the socket. Push the DIMM into the socket until
the levers snap into place.
The DIMM fits the socket only one way. The two notches on the bottom of the DIMM
should line up with the notches in the socket.
Make sure the levers close securely around the ends of the DIMM. Avoid flexing the
board while you firmly seat the DIMM in its socket.
4. Reassemble the unit and verify functionality (see page 8).
To verify memory capacity, print a Setting List to check the amount of memory recorded.
Lever
Socket notches
DIMM

8
Restoring functionality after service
Restoring functionality after service
To complete any service procedures performed on the AR-P15, install the AR-P15 inside
the copier, as described in the AR-P15 installation instructions (not provided in this
guide) and verify it is working properly. To verify the installation, check the connections
of the AR-P15, first to the copier and then the network, and the parallel port.
T
O REASSEMBLE AND VERIFY THE
AR-P15
1. Reseat any boards, cables, connectors, and other parts of the AR-P15 you loosened or
removed during inspection or service.
2. Install the AR-P15 in the copier and reassemble the copier as described in the AR-P15
installation instructions (not provided in this guide).
3. If you replaced the optional HDD, reinstall system software according to the procedure in
“System Software” on page 18.
4. Before you leave the customer site, verify AR-P15 operation, as described in the
following flow diagram.
F
IGURE
E
AR-P15 connection verification steps
Power up and print test pages
(see page 13).
Check the AR-P15 settings. For more
information on setting up the AR-P15,
see the Administrator’s Guide.
Connect the AR-P15 to the network
and/or parallel port and verify (see
page 15 and/or page 16).

9
Using the Control Panel
Using the Control Panel
The LCD on the copier Control Panel is a touch panel display. You can use the copier
Control Panel to check AR-P15 status and perform AR-P15 functions, such as print test
pages. The PRINTER/NETWORK button accesses AR-P15 LCD screens.
F
IGURE
F
Control Panel with LCD (touch panel display)
HELP
TIMER
INTERRUPT
STOP
START
FC
FUNCTION CLEAR
ENERGY SAVER
JOB STATUS
COPY
PRINTER/
NETWORK
DATA
ERROR
1 2 3
4 5 6
7 8 9
0
?
C
Location of copier power switch

10
Using the Control Panel
Startup
To power on the copier, use the power switch located on the top left side of the copier
(see Figure F). At each power up, the AR-P15 takes approximately 5 minutes to initialize.
Before the AR-P15 is ready, the following screen is displayed if you press the PRINTER/
NETWORK button on the Control Panel.
When the AR-P15 is ready, the message “Printer is under preparation...” disappears.
Online/Offline
To use the Control Panel LCD for certain AR-P15 functions, such as printing test pages,
you must take the AR-P15 offline before you perform the function, and then put the
AR-P15 back online when you are done.
When the AR-P15 is online, it can receive data over the network from a networked
computer. When the AR-P15 is offline, it cannot receive data over the network from a
networked computer.
Icons on the Control Panel LCD indicate ON LINE/OFF LINE status. To change
AR-P15 status, touch the appropriate icon. See the following procedures.
PRIVATE
Printer is under preparation...

11
Using the Control Panel
T
O TAKE THE
AR-P15
OFFLINE
1. Press the Printer/Network button on the Control Panel, and then touch the ON/OFF tab.
2. Touch the OFF LINE icon.
When the AR-P15 is offline, the following screen is displayed:
To return to the main copier screen, press the COPY button on the Control Panel or
allow Printer/Network mode to time out.
PRIVATE

12
Using the Control Panel
TOPUT THE AR-P15 ONLINE
1. Press the Printer/Network button on the Control Panel, and then touch the ON/OFF tab.
2. Touch the ON LINE icon.
3. When the AR-P15 is online, the following screen is displayed.
To return to the main copier screen, press the COPY button on the Control Panel or
allow Printer/Network mode to time out.
PRIVATE

13
Using the Control Panel
Printing AR-P15 pages
The Control Panel LCD allows you to print pages that are generated from the AR-P15.
These pages include the PCL Test page, PS Test page (only with the PostScript option
installed), Fonts List, Setting List, Storage List, and Print Log.
The Setting List shows the current configuration. Before you perform any service
procedure, print the AR-P15 Setting List (if possible) so that you can return the settings
to their former configuration, if necessary.
After the connection to the network is made, the network administrator can customize
AR-P15 settings according to the network and user environment. Using the Setting List
as a guide can help speed up this process. For more information on setting up the
AR-P15, see the Administrator’s Guide.
Printing the PCL and PS Test pages
Before connecting the AR-P15 to the network, print the test page for PCL (Printer
Control Language). If the PS option or HDD option is installed, also print the test page
for PS (PostScript). Test pages are files that reside in the AR-P15. Output verifies that the
AR-P15 is functional and connected properly to the copier.

14
Using the Control Panel
TOPRINT AR-P15 PAGES FROM THE CONTROL PANEL LCD
1. Take the AR-P15 offline, as described on page 11.
Touch the UTILITY tab on the Control Panel LCD.
2. Touch the TEST PRINTING icon on the Control Panel LCD.
3. Touch the icon for the particular page to be printed: Setting List, Fonts List, PCL Test,
PS Test, Storage List, or Print Log.
NOTE:The PS Test page icon appears only if the PostScript option or HDD option is
installed.
4. Examine the PCL Test Page (and PS Test Page, if available).
If the PCL (or PS) Test Page prints, you know the AR-P15 print engine is functional and
the connection between the AR-P15 and the copier is operating properly. When you
examine the PS Test Page, keep in mind that:
•All swatches should be visible, even though they may be very faint in the lowest ranges.
•Swatches should show uniform gradation as the tone lightens.
•Poor image quality may indicate a need to calibrate the system or service the copier.
5. Post the current Setting List near the server for quick reference.
Users may need the information on this page.
6. Put the copier back online, as described on page 12.
If the AR-P15 is not connected to the network yet, proceed to page 15 to connect and
verify the AR-P15 connection to the network.
UTILITY tab