5. TROUBLESHOOTING
5.1 Overview of Troubleshooting
5.1.1 Definition
Troubleshooting consists of error condition diagnosis, which is required if the cause of
an error is unknown, and error recovery, which is performed if the cause of an error is
known. If the cause of an error is unknown, perform the error condition diagnosis,
and if it is known, perform error recovery.
5.1.2 Precautions for troubleshooting
1. Before starting error condition diagnosis, make sure all the connectors and ribbon
cables are plugged in.
2. If you repair the printer with its case removed and the Universal adapter or battery
pack installed, take utmost care to prevent electric shock from the power supply
unit and PCB shorting.
3. Troubleshooting procedures are given in flowcharts. The following symbols are
used in the flowcharts:
4. After replacement or repair, do a test print to make sure the printer works properly.
If the printer does not work properly, perform troubleshooting again, skipping the
steps that were done before.
Example 1
5-5
BJC-50
Part 5: Maintenance
Start/End
Operation
Judgement
Jump
Stop
Action/Replace
Clean the spurs in the
paper delivery unit.
Is there any
spur mark?
Replace the print unit.
No
Yes
Do a test print.
END
•
Spur or the carriage is defective.
Do a Demo pattern print.
Hold down the
POWER
button until the beeper sounds once and
manual feed a sheet of paper.
Press the
RESUME
button to start Demo pattern print.
Содержание BJC-55 Series
Страница 24: ...0498 AB 2 00 0...
Страница 25: ......
Страница 36: ......
Страница 52: ......
Страница 74: ...2 4 Character Code Tables Code page 437 Code page 850 Part 2 Product Specifications BJC 50 2 22...
Страница 75: ...Code page 860 Code page 863 2 23 BJC 50 Part 2 Product Specifications...
Страница 76: ...Code page 865 Code page 857 Part 2 Product Specifications BJC 50 2 24...
Страница 77: ...Code page 855 Code page 852 2 25 BJC 50 Part 2 Product Specifications...
Страница 78: ...Code page 864 Code page 869 Part 2 Product Specifications BJC 50 2 26...
Страница 80: ......
Страница 98: ...3 4 1 Demonstration print Part 3 Operating Instructions BJC 50 3 18 Figure 3 13 Demonstration Print Sample...
Страница 100: ...3 4 3 Ripple pattern print Part 3 Operating Instructions BJC 50 3 20 Figure 3 15 Ripple Pattern Print Sample...
Страница 105: ...3 6 4 EEPROM settings list print 3 25 BJC 50 Part 3 Operating Instructions Figure 3 20 EEPROM Settings List Print Sample...
Страница 108: ...This page intentionally left blank Part 3 Operating Instructions BJC 50 3 28...
Страница 110: ......
Страница 162: ......
Страница 166: ...4 ADJUSTMENT No parts need to be adjusted Part 5 Maintenance BJC 50 5 4...
Страница 200: ...7 CIRCUIT DIAGRAMS 7 1 Parts Layout 7 1 1 Control board Upper section Part 5 Maintenance BJC 50 5 38...
Страница 201: ...7 1 2 Control board Lower section 5 39 BJC 50 Part 5 Maintenance...
Страница 202: ...Part 5 Maintenance BJC 50 5 40 This page intentionally left blank...
Страница 208: ......
Страница 209: ...PRINTED IN JAPAN IMPRIME AU JAPON CANON INC The printing paper contains 70 waste paper...
Страница 211: ...0398 SE 2 00 0...
Страница 212: ......
Страница 214: ...I I CONTENTS A ILLUSTRATION INDEX B PARTS LAYOUT PARTS LIST C SCREWS WASHERS LIST D TOOL E NUMERICAL INDEX...
Страница 216: ...III...
Страница 219: ...B 1 2 1 1 4 5 See FIGURE 7 3 6 7 PRINTER SET FIGURE 1 B PARTS LAYOUT PARTS LIST...
Страница 223: ...B 5 1 2 S3 S2 S4 S3 S3 3 4 FIGURE 3 CONTROL BOARD...
Страница 225: ...B 7 1 S2 2 4 3 FIGURE 4 PRINT UNIT LOWER CASE UNIT...
Страница 227: ...B 9 4 4 4 4 3 3 3 3 2 S2 1 FIGURE 5 PRINTER BASE UNIT...
Страница 229: ...B 11 FIGURE 6 CONTROL BOARD COMPONENT TOP VIEW BOTTOM VIEW...
Страница 237: ...B 19 FIGURE 7 AC ADAPTER 2 3 4 5 1...
Страница 240: ...C 2 This page intentionally left blank...
Страница 241: ...T1 FIGURE 8 TOOL D 1 D TOOL...
Страница 242: ...D 2 FIGURE KEY NO PART NUMBER R A N K Q T Y DESCRIPTION REMARKS T 1 CK 0562 000 1 MOLYKOTE GREASE PG 641...
Страница 247: ...E 5 This page intentionally left blank...
Страница 248: ......
Страница 249: ...PRINTED IN JAPAN IMPRIME AU JAPON CANON INC The printing paper contains 70 waste paper...