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Paper Tra
y
Unit B542
DIP SWITCHES
SM 11
B542
3. SERVICE
TABLES
3.1 DIP SWITCHES
DPS101
1 2 3 4 5 6 7 8
Description
0 0 0 0 0 0 0 0 Default
0 0 0 0 0 0 0 1 Free
run,
feed
from
upper
tray
0 0 0 0 0 0 1 1 Free
run,
feed
from
lower
tray
0 0 0 0 0 1 0 1 Free run, feed from upper and lower trays alternately
NOTE:
1) Do not use any other settings.
2) To do the free run, proceed as follows:
1. Remove the paper from the tray (this is because the machine has no
jam detection).
2. Set DPS101 for the required free run as shown above.
3. Turn the main power switch off, wait a few seconds, then switch on.
4. Press SW101 to start the free run.
5. To stop the free run, press SW102.
3.2 TEST POINTS
No. Label
Monitored
Signal
TP100
(24 V)
+24 V
TP101 (GND)
Ground
TP103
(TXD)
TXD to the copier
TP104
(RXD)
RXD from the copier
TP105
(5 V)
+5 V
TP106 (GND)
Ground
3.3 SWITCHES
No. Function
SW101
Starts the free run
SW102
Stops the free run
3.4 FUSES
No. Function
FU101
Protects the 24 V line.
Summary of Contents for B079
Page 1: ...B079 B082 SERVICE MANUAL 001634MIU RICOH GROUP COMPANIES ...
Page 2: ......
Page 3: ...B079 B082 SERVICE MANUAL RICOH GROUP COMPANIES ...
Page 4: ......
Page 5: ...B079 B082 SERVICE MANUAL 001634MIU ...
Page 6: ......
Page 8: ......
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Page 26: ......
Page 28: ......
Page 29: ...INSTALLATION ...
Page 30: ......
Page 101: ...PREVENTIVE MAINTENANCE ...
Page 102: ......
Page 107: ...REPLACEMENT AND ADJUSTMENT ...
Page 108: ......
Page 196: ......
Page 197: ...TROUBLESHOOTING ...
Page 198: ......
Page 221: ...Trouble shooting SERVICE CALL CONDITIONS SM 4 23 B079 B082 INTENTIONALLY LEFT BLANK ...
Page 225: ...SERVICE TABLES ...
Page 226: ......
Page 330: ......
Page 331: ...DETAILED SECTION DESCRIPTIONS ...
Page 332: ......
Page 436: ......
Page 437: ...SPECIFICATIONS ...
Page 438: ......
Page 448: ......
Page 449: ...BOOKLET FINISHER B546 ...
Page 450: ......
Page 497: ...AUTO REVERSE DOCUMENT FEEDER B541 ...
Page 498: ......
Page 525: ...LARGE CAPACITY TRAY B543 ...
Page 526: ......
Page 528: ......
Page 543: ...PAPER TRAY UNIT B542 ...
Page 544: ......
Page 546: ......
Page 565: ...1 BIN TRAY B544 ...
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Page 568: ......
Page 576: ......
Page 577: ...1000 SHEET FINISHER B408 ...
Page 578: ......
Page 580: ......
Page 605: ...TWO TRAY FINISHER B545 ...
Page 606: ......
Page 643: ...BRIDGE UNIT B538 ...
Page 651: ...PRINTER OPTION B548 ...
Page 652: ......
Page 703: ...FAX OPTION B547 ...
Page 704: ......
Page 708: ......
Page 851: ...TECHNICAL SERVICE BULLETINS ...
Page 853: ...BRIDGE UNIT B538 ...
Page 908: ...Trouble shooting SERVICE CALL CONDITIONS SM 4 23 B079 B082 INTENTIONALLY LEFT BLANK ...
Page 941: ...FIRMWARE HISTORY ...