Olivetti PR4 SR User manual

PRINTER
PR4 SR
SERVICE MANUAL
Code XYAA6336

PUBLICATION ISSUED BY :
Olivetti Tecnost S.p.A.
Via Camillo Olivetti , 8
10011 Agliè ( Italy )
Copyright ©2004, by Olivetti
All rights reserved
Printed in Italy by :
UPDATING STATUS
DATE CODE
09/1996 681810V-00
02/1998 681811J-01
06/1998 681812K-02
03/2004 XYAA6336

XYAA6336 Service Manual iii.
PREFACE
This manual has been written for the field engineers who will be servicing the PR4 and PR4 SR printers.
It provides all the information needed to install and service these printer models.
SUMMARY
This manual is divided into eight chapters.
The first four chapters provide the installation, functional check and adjustment procedures while the remaining
chapters provide the disassembly and adjustment procedures.
PREREQUISITES
Knowledge of similar products is helpful to better understand the topics discussed in this manual.
REFERENCES
User's Guide - (provided with the product)
Spare Parts Catalogue - code XYAA4789
DISTRIBUTION: General
FIRST EDITION: September 1996
SECOND EDITION: February 1998
THIRD EDITION: June 1998

XYAA6336 Service Manual v
TABLE OF CONTENTS
1. OVERVIEW................................... 1-1
1.1 INTRODUCTION ........................... 1-1
1.2 OVERALL VIEW OF THE
PRINTER ....................................... 1-2
1.2.1 PR4 Printer............................... 1-2
1.2.2 PR4 SR Printer ........................ 1-3
1.3 BLOCK DIAGRAM......................... 1-5
1.4 INTERNAL CONNECTIONS ......... 1-6
1.5 POWER SUPPLY
CHARACTERISTICS..................... 1-8
1.6 LAYOUT OF THE DRAWER AND
DISPLAY CONNECTORS ............. 1-9
1.7 RS-232 SERIAL INTERFACE
CONNECTOR LAYOUT ................ 1-10
1.7.1 RS-232 Serial Interface
Connector Layout .................... 1-10
1.7.2 IEE 1284 Parallel Interface
Connector Layout .................... 1-11
2. INSTALLATION............................ 2-1
2.1 UNPACKING THE PRINTER ........ 2-1
2.2 CHECKING THE PACKING
CONTENTS ................................... 2-2
2.2.1 PR4........................................... 2-2
2.2.2 PR4 SR .................................... 2-3
2.3 REMOVING THE BLOCKAGES
USED FOR TRANSPORTATION.. 2-4
2.3.1 PR4........................................... 2-4
2.3.2 PR4 SR .................................... 2-5
2.4 CONNECTIONS ............................ 2-6
2.5 SETTINGS TO BE MADE
ACCORDING TO THE PAPER
ROLLS USED (PR4 SR)................ 2-7
2.5.1 Inserting the Rewinder for
76.2 mm Rolls.......................... 2-8
2.5.2 Inserting the Rewinder for
an 82.5 mm Roll....................... 2-9
2.5.3 Inserting the Rewinder for
a 114.3 mm Roll....................... 2-10
2.5.4 Inserting the Rewinder for
a 139.7 mm Roll....................... 2-11
2.5.5 Installing the Paper Guide....... 2-12
2.5.6 Writing Position ........................ 2-13
3. FUNCTIONAL CHECKS............... 3-1
3.1 LEDS.............................................. 3-1
3.2 CONSOLE INDICATIONS............. 3-2
3.3 SLIP TEST..................................... 3-4
3.4 ROLL TEST ................................... 3-4
4. SETUP AND ADJUSTMENTS ..... 4-1
4.1 OPERATOR TEST ........................ 4-2
4.2 SETUP FROM THE CONSOLE .... 4-2
4.2.1 Accessing this Setup Mode ..... 4-2
4.2.2 Selecting the Parameters ........ 4-3
4.2.3 SET-UP Diagram
(Olivetti Emulation) .................. 4-4
4.2.4 SET-UP Diagram
(EPSON Emulation)................. 4-6
5. DISASSEMBLY/REASSEMBLY
PROCEDURES............................. 5-1
5.1 OVERVIEW ................................... 5-1
5.2 REMOVING THE CASE ................ 5-1
5.3 LOCATING THE COMPONENTS
ON THE ELECTRONIC BOARD
(SERIAL VERSION) ...................... 5-7
5.4 LOCATING THE COMPONENTS
ON THE ELECTRONIC BOARD
(PARALLEL VERSION) ................. 5-9
5.5 REMOVING THE PRINT
ASSEMBLY.................................... 5-11
5.6 REMOVING THE PRINT HEAD.... 5-13
5.7 CUTTER ON THE PR4 ................. 5-14
5.7.1 Cutter on the PR4 SR................. 5-15
5.8 REMOVING THE PLATEN............ 5-16
5.9 REMOVING THE CARRIAGE
MOTOR ......................................... 5-17
5.10 REMOVING THE RIBBON
MOVEMENT PIN ........................... 5-18
5.11 OUT OF PAPER MICROSWITCH
ASSEMBLY.................................... 5-19
5.12 REMOVING THE REWIND
CLUTCH ASSEMBLY.................... 5-21
5.13 REMOVING THE DOCUMENT
DETECTION PHOTOSENSORS .. 5-21
5.14 REMOVING THE SLIP
DETECTION PHOTOSENSORS .. 5-22

viService ManualXYAA6336
6. ADJUSTMENTS ........................... 6-1
6.1 ADJUSTING THE PLATEN
ON THE BASIC STRUCTURE ...... 6-1
6.2 ADJUSTING THE PARALLELISM
AND PRINT HEAD-PLATEN
DISTANCE..................................... 6-2
6.3 ADJUSTING THE TENSION
OF THE CARRIAGE TRANSPORT
BELT .............................................. 6-2
6.4 ADJUSTING THE OUT OF
JOURNAL AND RECEIPT PAPER
MICROSWITCH SUPPORT .......... 6-2
6.5 MOUNTING THE SNAP RINGS
ON THE CARRIAGE TRANSPORT
ASSEMBLY.................................... 6-2
6.6 ADJUSTING THE CLEARANCE OF
THE DOCUMENT INSERTION
SLOT ............................................. 6-3
6.7 ADJUSTING THE PAPER
DETECTION PHOTOSENSOR..... 6-4
6.8 ADJUSTING THE MICR MOTOR
ASSEMBLY MESH ........................ 6-5
6.9 ADJUSTMENT MENU ................... 6-6
6.9.1 Photosensor Adjustments ....... 6-7
6.9.2 Adjusting the Carriage ............. 6-9
6.9.3 MICR Adjustment..................... 6-11
7.LUBRIFICATION.............................7-1
8. INSTALLING THE DRAWER AND
DISPLAY CARD OPTION ............ 8-1

XYAA6336 Service Manual 1-1
1. OVERVIEW
1.1 INTRODUCTION
ThePR4isathree-stationimpactprinter,thePR4SR
a two-station impact printer, specifically designed for
the POS retail environment. It can print on forms,
cheques, receipts and journal rolls with a print pitch
ranging from 12 cpi to 17.1 cpi.
The receipts are cut by a CUTTER while the journal
roll comes with a JOURNAL REWINDER.
The forms to be printed are automatically aligned
once inserted through the front insertion slot.
Paper rolls with different widths can be used: 76.2 mm,
82.5 mm, 114.3 mm and 139.7 mm.
The codes on cheques can be read by means of the
optional MICR device, while it is possible to print on
the back of the cheques.
TheprinterisequippedwithaclientdisplaySUPPORT.
An optional electronic board manages the banknote
drawer and client display, both of which controlled
directly by the printer electronics.
The printer is compatible with the OLIVETTI STD
POS and EPSON ESC POS EMULATIONS.

1-2Service ManualXYAA6336
Figure 1-1
PAPER ROLL COVER
JOURNALWINDOW
CONSOLE
FRONT COVER
TRAY(OPTIONAL)
WINDOW
1.2 OVERALL VIEW OF THE PRINTER
1.2.1 PR4 Printer
RECEIPT OUTPUT SLOT
VERTICALFEEDER
FRONT INSERTION SLOT

XYAA6336 Service Manual 1-3
1.2.2 PR4 SR Printer
RECEIPT OUTPUT SLOT
PAPER ROLL COVER
WINDOW
CONSOLE
FRONT COVER
INSERTIONSLOT
FRONT INSERTION SLOT
Figure 1-2

1-4Service ManualXYAA6336
Figure 1-3
Figure 1-4

XYAA6336 Service Manual 1-5
1.3 BLOCK DIAGRAM
Mechanicaldevices
Double Roll Device
Display &
drawer board
MICR
reader
board
Electronics
Mainboard
Console
External
power
supply
Cutter
Receipt
paper
module
Journal
rewinder
Journal
paper
module
Printing module
Slip Paper Module
MICR
reader *
* = specific version
Single Roll Device
Journal rewinder (optional)
Single roll paper module
Receiptcopy cutter

1-6Service ManualXYAA6336
1.4 INTERNAL CONNECTIONS
PR4 Mechanical Devices
Electrical Interconnections
Note 1: Ontheboard,afemaleconnectorisusedfor
serialconnectionswhileamaleconnectoris
used for parallel connections.
2
The location of the components on the electronic board is purely indicative.
Note 2: Type: PAL MACH 111 for parallel interface.
Type: ADM 202 JRW for serial interface.

XYAA6336 Service Manual 1-7
PR4 SR Mechanical Devices
Carriage
motor
Slip
motor
Cutter
motor
Single
roll
motor
Receipt 1st copy
Optional
journal
rewinder
Cutter
position switch
Slip alignment
sensor
Slip top of
form sensor
Cheque top of
form sensor
Carriage
Journal 2nd copy
Print head
MICR
head
Out of paper
switch
Manual cutter
adjustable paper guides
adjustable rewinder guides

1-8Service ManualXYAA6336
PIN Number Signal name
1 +24 VDC
2 GND
3 Frame GND
Shell Frame GND
1.5 POWER SUPPLY CHARACTERISTICS
The machine must be equipped with a power supply of the following characteristics:
DC VOLTAGE POWER
24 V +20 -10% 45 W (max. 75 W)
The following power supplies are optionally available to the user:
1) External AC power supply:
VOLTAGE POWER FREQUENCY
230 - 240 V 45 W (max 75 W) 50 - 60 Hz
115 - 230 V
2) Internal AC power supply:
VOLTAGE POWER FREQUENCY
115 - 230 V 40 W (max 75 W) 50 - 60 Hz
Power Supply Connector Drawing
12
3
Shell

XYAA6336 Service Manual 1-9
1.6 LAYOUT OF THE DRAWER AND DISPLAY CONNECTORS
By means of the drawer and display option it is possible to drive a client drawer and display. Refer to Chapter 8
for instructions on how to install the related card.
• Drawer Connector
Solenoid resistance 24 ohm min
Output voltage 24 volts
Current 1 amp Max
Printer side connector Molex 52065-6615 or equivalent
1 Frame GND
2 Drawer kick-out drive signal 1
3 Drawer open/close signal
4 + 24 V
5 Drawer kick-out drive signal 2
6 Signal GND
• Display Connector
By configuring the printer in the EPSON - TMU emulation it is possible to connect the EPSON DM D203-011
display.
1 Safety ground
2 Transmit data to print
3 Receive data from printer
4 Indicates whether the printers can receive data or not
5 Indicates whether the display can receive data or not
6 Signal ground
7 Power supply terminal
8 Power supply retrace line

1-10Service ManualXYAA6336
1.7 INTERFACES
1.7.1 RS-232 Serial Interface Connector Layout
• RS232 Connector - PIN functions
Pin No Signal name Dir
1 Frame GND —-
2 TXD OUT Transmitter data
3 RXD IN Receiver data
4 RTS OUT Fix to ‘Space” level
6 DSR IN Space(+12)
the host can receive data
Mark(-12)
the host cannot receive data
When DTR/DSR control is selected, the printer
transmits data after confirming this signal.
When XON/XOFF control is selected, the printer
does not check this signal
If the signal remains Mark for more than 1msec the
printer performs a reset.
(only when selected from set-up)
7 Signal GND —
20 DTR OUT When DTR/DSR control is selected, this signal
indicates whether the printer is busy.
SPACE=OK/MARK=busy
When XON/XOFF control is selected, the signal
indicates whether the printer is connected and
ready to receive data.
SPACE=OK /MARK=busy
The signal is always SPACE except during:
HW reset, Self test, Set-UP
25 INIT IN The printer is reset when the signal remains Space
for more than 1msec
(only when selected from set-up)

XYAA6336 Service Manual 1-11
1.7.2 IEE 1284 Parallel Interface Connector Layout
Pin Signal Source
1 STROBX Host
2 to 9 DACX (0-7) Host/Printer
10 ACKX0 Printer
11 BUSYX Printer
12 PAPEMX Printer
13 SETOUX Printer
14 AUTLFX Host
15 FAULTX Printer
16 IMPRAX Host
17 SELINX Host
18 to 25 GND ___

XYAA6336 Service Manual 2-1
2. INSTALLATION
2.1 UNPACKING THE PRINTER
It is suggested that you carefully open the printer
packagingand storeit inasafe placeso thatitcan be
used again if the printer needs to be transported to
another site.
The printer is protected by a polyethylene covering.
Figure 2-1

2-2Service ManualXYAA6336
2.2 CHECKING THE PACKAGING
CONTENTS
2.2.1 PR4
Inadditiontotheprinter,thepackagingalwayscontains
two paper rolls, a ribbon cartridge, a client display
supportandtwopaperguideswithaflangefor57mm
rolls.
Depending on the order made by the client, the
following options may be present:
APower cord
BExternal power supply
CFront insertion tray
Note: The packaging of the PR4 model with parallel
interface must include a specific 25-pin male
CANON parallel cable.
Figure 2-2
A
B
C

XYAA6336 Service Manual 2-3
2.2.2 PR4 SR
The PR4 SR (Single Roll) packaging includes the
printer, a printer roll, ribbon cartridge, client display
support, two paper guides with two flanges, four
spacers to form 139.7 mm., 114.3 mm., 82.5 mm.
and 76.2 mm. long rolls, respectively.
Depending on the order made by the client, the
following options may be present:
APower cord
BExternal power supply
CSerial interface cable
DFront insertion tray
A
B
C
D
Figure 2-3

2-4Service ManualXYAA6336
Figure 2-4
2.3 REMOVING THE BLOCKAGES
USED FOR TRANSPORTATION
2.3.1 PR4
• Remove the plastic strip from the front feed slot.
• Open the front cover by turning it upwards.
• Remove the cardboard that blocks the print head.
• Close the printer cover.