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OWNER'S MANUAL __________________ PRINT MAST ER 700 SERIES PRINTER CONT ROLLERS 706A 706C 708C 710C 706D 708D 706E 708E 710E 708F 710F BayTech publi cation #U140E045- 05.
Dear Customer , Thank you for selecting a BayTech Pri nt Master pri nter controll er. The data provi ded in this Ow ner's M anual expl ains the var ious w ays you can oper ate your unit and configur e it to y our ow n computer system.
The information contained in this document i s subject to change without noti ce. Copyr ight 1993 by Bay Technical Associates, Inc. IBM PC, IBM PC /AT, IBM PC/XT and IBM PS/2 ar e products of International Busi ness Machines Cor poration. Hewlett-Packar d LaserJet is a product of the H ewlett-Packard Company.
TABLE OF CONT ENTS 1 GENERAL INFORMATION ............................................... 1 2 SPECIFICATIONS ............................................................ 3 3 QUICK REFERENCE ....................................................... 6 4 INSTALLATION .
6.2 PRINTER SHARING OPERAT ING PROCEDURE 24 6.2.1 SHARING A SINGLE PRINTER ................ 25 6.2.2 SPECIFIED SHARING OF MULTIPLE PRINTERS ................................................ 26 6.2.3 CONTEND ING FOR MU LTIPLE PRINTERS ..................
7.1.6 MODELS 706A AND 708A - PROGRAM PRINTER SELECT CODE ........................ 45 7.1.7 MODELS 706A AND 708A - SET PRINTER SELECT MODE ........................ 46 7.1.8 MODELS 706A AND 708A - SET FORM FEED MODE .....................................
7.3 ALL 700D, 700E, 700F MODELS - CONFIGURATION PROCEDURE ....................... 60 7.3.1 ALL 700D, 700E, 700F MODELS - MAIN CONFIGURATION MENU ......................... 62 7.3.2 ALL 700D, 700E, 700F MODELS - STATUS ..................................
APPENDIX A RECOMMENDED CABLING ......................................... 78 A.1 BETW EEN IBM PC, IBM XT, IBM PS/2 AND PRINT MASTER (DB-25) ............................ 78 A.2 BETW EEN IBM AT AND PRINT MASTER (DE-9).....................................
1 The BayTech 700 Series Print Master is a flexible, intelligent dev ice that connects between y our computers and per ipherals al low ing the computers to share the peri pherals, incl uding ex pensiv e plotters and laser pri nters.
2 In addition to port assi gnment, y ou may prog ram the follow ing features to meet the need of your applicati on: the indiv idual ser ial port configuration ( baud rate, w ord siz e, stop bits, pari.
3 2. INTERFA CE: Serial ports: Asynchr onous EIA-232C ( CCITT V.24) , -12v mar k, +12v space. Full dupl ex communication.
4 USER-PROGRA MMA BLE CONFIGURA TION: Reconfigur able in menu-dr iven mode through configuration por t. Saved in non- volatile memory to become the new pow er-up default configurati on. Serial ports: Baud rate: 110, 135, 300, 600, 1200, 2400, 4800, 9600, 19200.
5 POWER: 115 VAC, 50/60 Hz., .3A. Optional 230 VAC, 50/60 Hz ., .2A. ENVIRONMENT: 0 degrees to 55 degr ees C temperature; 5% to 95% humidity . DIMENSIONS: 10 1/8w x 8d x 3h inches. WEIGHT: 6 pounds. INDICA TORS: 1 green power LED; 6, 8 or 10 r ed, port-activity LEDs.
6 This section prov ides basic set up instructions for those knowledg eable in computer equipment installation. W e will refer to specific sections in this manual for more in-depth i nstructions on installation oper ation, and conf igur ation.
7 Step Instru ctions connect t o port s ass i gned as printer. A l l port s are flexible except as not ed bel ow (i.e. , ports m ay be configured as com put er or printer).
8 Step Instru ctions A. Serial Ports Serial ports on Print Mast er are DCE. Therefore, straight c abling is requi red between the com put er's seri al port and Print Mast er' s serial port . A strai ght cable is al s o required between Print Mast er' s serial port and t he serial port of a printer or pl ot t er.
9 Step Instru ctions To print from a serial port of your PC, you m ust f irst redi rec t the parallel out put to the serial port vi a t he DOS com m and C:>MODE LPTx:=COMy:, where x and y are the port designat i on (e.
10 After opening the box , check the packing list that comes w ith Print Master to ensure that y ou have receiv ed all components. Also check the unit to make certain that i t did not receiv e damage during shipping.
11 To run INSTALL, use the follow ing procedure: 1. Insert the sof tware utility diskette into d rive A (or drive B) and from the prompt type INSTA LL follow ed by <ENTER>. 2. A menu titled "D riv e & Directory D efinitions" wi ll appear on your screen.
12 The Print Master requir es 115 VAC, 50/60 Hz. power and comes with a three-prong power cord. Do not attempt to operate the uni t with a two- prong socket or adapter. 230 VAC, 50/60 Hz . is optional. The Print Master power s-up w hen you press the pow er switch on the back of the unit to "ON" or "1".
13 This section prov ides instructions on how to set up your PC to wor k with Pr int Master with r espect to the BayTech sof tware (if you intend to use it) and special considerations w hen connecting your PC in serial.
14 You w ill also need to change the serial port conf iguration of your PC's com port to match that of the Print Master. If using the Print Master's factory default serial configuration, thi s is accompli shed vi a the DOS command C:>MODE C OMy: 9600, N , 8,1,P where y is the number of the appropriate com port.
15 Please see Section 5.1 for parallel por t cabling i nf ormation, Section 5.2 for DB-25 serial port cabling information, or Section 5.3 for RJ-4 5 cabling. Appendix A provi des recommended cabling pinouts. Parallel por ts on Print Master have D B-25 female connectors.
16 IMPORTA NT: Bef ore you pr oceed with cabling, you must know whether the dev ices that you will connect to Print Master are DTE (Data Termi nal Equipment) or D CE (D ata Communication Equipment). The following devices are g enerally DTE: terminals, printers, and computer s like the IBM PC.
17 DTE ports use the followi ng signals for communication: DTE PORT PIN/ S IGNA L DE FINITION Pin Signal (EIA-232) Di rection Description 1 PGND --- Protect ive Ground 2 Tx O ut put Data Out 3 Rx Input Data In 4 RTS Output Request To S end 5 CTS Input Clear To Send: Input hands hake line.
18 PRINT MASTER - DCE DTE DEVICE MALE DB-25 MALE/FEMALE DB-25 PRINT MASTER - DCE DCE DEVICE MALE DB-25 MALE DB-25 NOTE: Please refer to Appendix A for recommended cabling between Pr int Master and v arious computers and peripheral devices.
19 !" #$ The EIA-232 serial ports of the Print Master M odels 706C, 708C, or 710C may have RJ-45 modular connectors.
20 Figure 4: RJ-45 Receptacle Figure 5: RJ-45 Plug Please see Appendix A.5 for modular adapter pi nout and cabling information. This section discusses the v arious user-prog rammable configurations ( Section 6.1 ), printer sharing operation ( Section 6.
21 #%# Indivi dual ports on Print Master may be conf igured as computer or printer v ia the Number of Printers/Port Assi gnment.
22 # To select a printer i n multiple printer appli cations, the computer sends the Printer Sel ect Code (w hich consists of any ASCII character str ing numbering from one to ei ght characters ) f ollow ed by the desired printer por t number.
23 # NOTE: This section is not appl icable to the 706A or 708A model s. Print Master will translate for seria l devices using dif fe re nt configurations.
24 " ## You may conf igur e Print Master to pri nt a progr ammable message and the logical name of the source computer on a separate sheet of paper before printi ng any other data.
25 Please see the table below f o r a quick reference to the printer shar ing operating procedure. PRINTER SHARING QUICK REFERE NCE Item See Section Sharing a si ngl e pri nt er 6.2.1 Specif i ed s haring of m ultiple printers 6.2. 2 Contending for m ultipl e pri nt ers 6.
26 # To sele ct a specif ic printer in m ultiple prin ter applicat ions, yo.
27 There are tw o modes f or sending the Printer Sel ect Code. In Printer Select Mode 2 (pr inter selection any time while pr inting), Print M aster looks for the Printer Sel ect Code any ti me. If no Printer Select C ode is received, the da ta will be routed to th e defa ult printer.
28 W hen a user sends a print job, the data is stored i n Print Master's spooling buffer (1 MB standar d, avail able with 2 MB on 700C, 700D and 700E models; avai lable with up to 4 MB on 700A model s).
29 4. The computer sends the Pri nter Select Code followed by a printer por t number. If the port number is the same number as that of the current print job, this will indicate the end of the current print job, and the next print job w ill be routed to the same printer.
30 If you wi sh to clear a print job is sent in er ror, you must send the clear buffer sequence whic h consists of the Printer Sel ect Code followed by CLR . This command will only affect print jobs originated by your computer.
31 " # BayTech provides utility sof tware which allows y ou to convenien tly select between per ipherals for IBM DOS and Micr osof t W indows applications. Por t selection is as easy as activ ating hot keys or by using a mouse.
32 Progr ams such as W ord Perfect and W ordStar typi cally send a printer initiali zation string before any data. You may imbed the port sel ect sequence in this string to sel ect a printer. For exampl e, W ord Perfect allow s you to edit the printer definiti on f ile for a specific printer by using the PTR command.
33 It is still possible to plot dynam ically through Print Maste r if required . W hen plotting in this fashion, y ou would probably need to increase the input inactiv ity timeout v alue to a higher number than f a ctory default (20 seconds).
34 ### COMPUTER-TO-PRINT MA STER-TO-PRINTER COMMUNICA TION W hen a computer t.
35 PRINT MA STER-TO-COMPUTER COMMUNICA TION NOTE: Print Master will prov ide full duplex communication between a computer and printer which are connected thr ough the unit. This section is appli cable only w hen a devic e that is connected to a printer port is sending data back to a device connected to a computer port.
36 )%)## COMPUTER-TO-PRINT MA STER-TO-PRINTER COMMUNICA TION W hen a computer transmits data to a printer thr ough a Print Master computer port, the data is r eceived and stored in the buffer which i n turn retransmits it to the printer through a printer port.
37 PRINT MA STER-TO-COMPUTER COMMUNICA TION NOTE: Print Master will prov ide full duplex communication between a computer and printer which are connected thr ough the unit. This section is appli cable only w hen a devic e that is connected to a printer port is sending data back to a device connected to a computer port.
38 Configur ation changes ar e made through the master configurati on port w hich is the hig hest numbered port on all models. Pri nt Master will transmit configuration menus to the serial device connected to the master configurati on port on all model s except the 706A and 708A.
39 All ports on the Pr int Master 706A or 708A must be inactiv e (i.e., only the gr een power LED should be illuminated). W ith the PARSEND or M S BASIC program loaded on y our PC, send from the keyboard Control-T followed by capital C . These characters will not print on the printer.
40 " Print Master 706A and 708A will respond to.
41 " By respondi ng to the Enter Request: message at the end of the main configuration menu w ith "1" (Status), you may review the current configuration status of the 706A and 708A.
42 " # By respondi ng to the Enter Request: message at the end of the main configurati on menu wi th "2" (Chang e Logical Name), you may change the identifying name f or the dev ice on each port.
43 " & By respondi ng to the Ent.
44 " By respondi ng to the Enter Request: message a.
45 " By respondi ng to the Enter Reque.
46 " By respondi ng to the Enter Request: message at the end of the main configurati on menu wi th "6" (Set Pri nter Select M ode), y ou may change the method of selecting pr inters.
47 ( " # By respondi ng to the Enter reques.
48 All configur ation changes must be made throug h the master configuration por t. This master configur ation port has access to all options of the configuration mode.
49 If you do not have a dumb ter minal or a terminal emul ation prog ram, BayTech supplies a utility diskette w hich includes sof tware to put an IBM PC or compati ble into a terminal mode. See Section 4.2 for instructions to obtain the softw are (TERM.
50 3. Refer to the upper ri ght hand corner of the screen for Handshaking l ine status. RTS, CTS, DSR, and DTR should all be HIGH. The DCD line is not looked at by the terminal emulati on progr am therefore its status can be ignored. If these sig nals are not high at this point, check to ensure the correct cabl e is connected.
51 By respondi ng to the Enter Request: message at the end of the main configuration menu w ith "1" (Status), you may review the status of the current configur ation of Print Master .
52 By respondi ng to the Enter Request: mess.
53 You may now reconfigure Port 5 by selecting the appropri ate option from the menu. For exampl e, to change the baud rate to 2400 baud, send character "2" (Set baud rate).
54 CA UTION: If Y is sent before changi ng the configuration devi ce to the new configuration (baud rate or parity ), Print Master will not receive the Y response. Howev e r, you will be locked out of Print Master. If this occurs, recycle Print Master power.
55 & By respondi ng to the Enter Request: message at the end of the main configurati on menu wi th "3" (Set Input Inactiv ity Timeout), you may set the input inactivity timeout.
56 By respondi ng to the Enter Request: message at the end of the main configurati on menu wi th "4" (Set Number of Printers) , you may change the number of pri nters.
57 By respondi ng to the Enter Request: message at t.
58 By respondi ng to the Enter Request: message at the end of the main configurati on menu wi th "6" (Set Pri nter Select M ode), y ou may change the method of selecting pr inters.
59 ( # By respondi ng to the Enter request: message at th.
60 !! All configur ation changes must be made throug h the master configuration por t. This master configur ation port has access to all options of configuration mode.
61 If you do not have a dumb ter minal or a terminal emul ation prog ram, BayTech supplies a utility diskette w hich includes sof tware to put an IBM PC or compati ble into a terminal mode. See Section 4.2 for instructions to obtain the softw are (TERM.
62 3. Refer to the upper ri ght hand corner of the screen for Handshaking l ine status. RTS, CTS, DSR, and DTR should all be HIGH. The DCD line is not looked at by the terminal emulati on progr am therefore its status can be ignored. If these sig nals are not high at this point, check to ensure the correct cabl e is connected.
63 !! By respondi ng to the Enter Request: message at the end of the main configuration menu w ith 1 (Status), you may review the status of the current configuration of Print Master.
64 !! By respondi .
65 You may now reconfigure Port 5 by selecting the appropri ate option (1-6) from the menu. For ex ample, to change the baud rate to 2400 baud, send character "2" (Set baud rate).
66 CA UTION: If "Y" is sent before changi ng the configuration devi ce to the new configuration (baud rate or parity ), Print Master will not receive the "Y " response. Howev e r, you will be locked out of Print Master. If this occurs, recycle Print Master power.
67 !!# By respondi ng to the Enter r.
68 !! By respondi ng to the Enter Request: me.
69 NOTE : At least one port must alw ays be designated as a pri nter port. If the port number you enter is the only assigned printer port, Pr int Master will prev ent you from reassigning that port an.
70 !! & By respondi ng .
71 !! By respondi ng to.
72 " !! By respondi ng to the En.
73 !! # By respondi n.
74 " Since there are no adj ustments and no moving parts in Print Master, preventati ve maintenance is unnecessary . If you find it necessary to return Print Master to the factory for warr anty work or f actory- set changes, follow the procedure l isted under Section 9 for repacking.
75 # In the event that y ou have problems w ith your Print Master, BayTech has a staff of applications eng ineers on duty to assist y ou f rom 7 am to 6 pm (CST or C DT), Monday through Friday .
76 If you have q uestions that are not answered in thi s manual, please contact BayTech Technical Suppor t f or assistance. Bay Technical A ssociates, Inc. 200 N. Second Street, P.O. Box 387 Bay Saint Louis, Mississippi 39520 U.S.A. Phone: 228/467-8231 or 800/523-2702 FA X: 228/467-4551 We b S it e: www.
77 .
78 ) !)! % .
79 MINIMUM CABLING USING HARDW ARE HANDSHAKING PC DTE MODEL 700 DCE FEMA LE DB-25 MALE DB-2 5.
80 +(, RECOMMENDED CABLING USING HARDW ARE OR XON/XOFF HANDSHAKING PC DTE MODEL 700 DC.
81 MINIMUM CABLING USING HARDW ARE HANDSHAKING PC DTE MODEL 700 DCE FEMA LE DE-9 MA LE DB-25.
82 #$ RECOMMENDED CABLING USING HARDW ARE OR XON/XO.
83 PRINT MASTER PRINTER 36- PI N MALE DB-25 CE NTR.
A .5 700C MODELS - M ODULA R CA BLING COMPUTER INTE RFACE To interface your computer s or terminals to Print Master refer to the RJ-45 adapter drawings below. Refer to Figure 6 if your computer s or terminals hav e DB-25 male connectors. Refer to Figure 7 if your computers have D E-9 male connectors.
85 PRI NTER/P LOTTER INTER FAC E To interface your EIA- 232 serial printers or plotters to Print Master refe r to Figure 8 . IMPORT A NT : W hen modular connect ors are used as shown in Figures 6 - 8 above, crossed RJ-45 cables are req uired. T he RJ-45 cable, between Print Master and your connected equipment m ust be crossed.
86 ) ( !! Option 19 allow s up to nine (9) Print M aster 710C, 710E or 710F models to be cascaded allow ing you to incr ease the number of avail able ports.
87 ( Print Master s equipped w ith Option 19 (Cascade Option) ar e configured ex actly as described in Section 7.2 or Section 7.3 of this manual w ith the ex ception of SET UNIT ID N UMBER.
88 ( W hen the computer connected to Port 10 of a 710 model with Option 19 access.
89 ( By respondi ng to the Enter request: message at the end of the main configuration menu w ith "1" (Status), you may review the current configuration status of Print Master.
90 ( By respondi ng to the Enter request: message at the end of the main configurati on menu wi th "A" for models 710E and 710F or "9" for model 710C (Set U nit I.
91 ( To cable Print M asters equipped w ith Option 19 together, connect Port 10 of a 710 havi ng a low er Unit ID N umber to port 9 of a 710 having a higher Unit ID N u mber with a male-to- male crossed cable (BayT ech p art n um ber MM0 9XYYY, wh ere YYY is t he re quired length) .
92 The Unit ID N umber and the printer port number then become the default unit and printer assi gnment numbers for that computer. Al l subsequent print jobs sent w ithout a printer select sequence w ill be sent to this unit/pri nter port by default.
93 ) # Please check this troubleshooting guide before calling Bay Tech Tech Support. NOTE: This troubleshooting guide is gear ed towards the IBM PC family and compatibl es. The term "PC" as used below ref e rs to any IBM PC, AT, XT or compatible.
94 CAUSE: Pri nt Master is connected to non- designated COM port. SOLUTION: Make sur e Print Master i s connected to designated PC C OM port. Check using TERM progr am. Turn Print Master of f and you should not see CTS/DSR li nes toggl e if you ar e on a non-designated C OM port.
95 PROBLEM: DA TA DOES NOT PRINT SYMPTOM: PC A ND PRINTER PORT LEDs ILLUMINA TE CAUSE: Printer cable. SOLUTION: Use the cor rect parallel or seri al cable between Pr int Master and pr inter (see Appendix A ).
96 PROBLEM: PRINTS GA RBA GE SYMPTOM: MISSING CHA RACTERS CAUSE: Incorr ect printer cabl e type. SOLUTION: See Appendix A for correct pinouts between Pr int Master and pr inter. Check handshaking. A w ay to check is to force an error condition at the pri nter (i.
97 SYMPTOM: RA NDOM GARBA GE CHA RACTERS CAUSE: Seri al port configur ation. SOLUTION: In Pri nt Master's configur ation mode, match baud rates, wor d size, stop bits, parity , and handshaking w ith the connected serial devi ce(s). CAUSE: Cable l ength.
98 CAUSE: Software. SOLUTION: Us e dumb terminal or a PC running a terminal emul ation prog ram (e.g, TERM suppl ied by Bay T ech or another pr ogram such as PC Plus). CAUSE: User activity . SOLUTION: W ait until curr ent activi ty between PC and printer i s completed.
99 CAUSE: You ar e in Printer Select Mode 1 w ith zero (0) timeout. SOLUTION: Sw itch to Printer Select Mode 2 or increase timeout, both v ia configuration mode. NOTE: Any select sequence w ill not be recogniz ed af ter 16 characters in Printer Select Mode 1.
100 CAUSE: Char acters used in Pri nter Select Code are too common and may inadv ertently appear somewher e in print job. SOLUTION: Chang e Printer Select Code to a unique character seq uence. PROBLEM: PRINT JOBS INTERMIX CAUSE: Timeout per iod is too short.
101 PROBLEM: HOT KEY SOFTWA RE HA NGS UP PC WHEN EXECUTED. CAUSE: LPTX not r erouted f or serial communication. SOLUTION: Rer oute LPTX using this command: MODE LPTX :=COMX . X=1, 2 or 3. CAUSE: Floating condition on DSR or CTS lines. SOLUTION: Us e the TERM pr ogram to check handshaking li nes.
102 ) ) Antenna 77 ASCII 4, 22, 31, 37, 39, 45, 48, 57, 60, 71 Asynchronous 3 Autoexec 9, 13, .
103 Control- C 47, 59, 73 Control- T 39, 40, 48, 50, 60, 62, 88, 97 CTS 5, 16, 17, 19, 29, 34, 36, 49, 50, 61, 62, 93, 94, 96, 101 Da.
104 Factory default 7, 9, 14, 20- 24, 33, 91 FAX 76 FCC 77 Floating condi tion 101 Form feed mode 2-4, 12, 20, 23, 40, 41, 46, 50, 51.
105 $!! Jumpers 93 Laserjet 3, 2, 37, 42, 82 LED 5, 12, 20, 33, 39, 48, 60, 93, 96 LEDs 5, 33, 39, 48, 60, 93, 95, 98 Logical name 3, 4, .
106 !! Non-pri ntable characters 45, 57, 71 Non-v olatile memory 2, 4, 27, 42-47, 54- 59, 66, 67, 69-73, 90 Number of printers 2.
107 ! Queued 28 Rack-mount 5 RAM 54, 66 Ramexec 9, 11, 13, 14 Readme 9, 11, 13 Recommended cabling 15, 18, 78, 80, 82 Repacking 74 Ret.
108 Tech support 93 Technical Support 9, 75, 76, 95 Televi sion 77 Telex 76 Term 8, 48-50, 60-62, 93, 94, 97, 98, 101 Terminal emul a.
OTHER BAYT ECH PRODUCTS Print Master 700 Series printer contr ollers ar e made in several different configurations satisfyi ng v a rious interface requirements. Each unit allow s computers to share, select and/or contend for printers easi ly and economically , without sw itching cabl es.
LaserShare is an inte lligent printe r co ntroller th a t allows up to f our or eight computers to send data to a single HP Laser Jet Series II, IID, III, IIID, Brother HL8e* and HL8v *, or W ang LDP8 laser printer . LaserShare MIO installs into the HP LaserJet Series IIISi, Series 4, and Series 4SI and will support serial speeds up to 460K bps.
Tran-x high speed parallel /serial converter products allow you to extend paral lel cables to 1000+ feet and allow y our network ser ver, graphics w orkstation, or PC to send/recei ve data at speeds up to 46,000 characters per second.
Telplex Model TX104M is an asy nchronous statistical multi plexer wi th built-i n modem. Four indiv idual communications channels are multiplex ed into a single dial- up or leased telephone l ine, cutting phone line costs to a mini mum. The TX104M features a V.
500 SERIES MULTIPORT C ONTROLLERS Included in the 500 Series line of multipor t controllers are units intended for the following applications: Port Expansion (A -Series): Allows a sing le serial port on a computer to indiv idually access up to 17 peri pheral devices w ith full duplex communi cation.
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Een belangrijk punt na aankoop van elk apparaat HP (Hewlett-Packard) 708C (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen HP (Hewlett-Packard) 708C heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens HP (Hewlett-Packard) 708C vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding HP (Hewlett-Packard) 708C leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over HP (Hewlett-Packard) 708C krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van HP (Hewlett-Packard) 708C bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de HP (Hewlett-Packard) 708C kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met HP (Hewlett-Packard) 708C . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
