Ricoh B174 Service Documentation page 14

COPY....................................................................................................4-4
PC-SCAN..............................................................................................4-5
4.3.2 FAX...................................................................................................4-6
FAX/TELEPHONE PRECAUTIONS .....................................................4-6
4.3.3 PRINT QUALITY...............................................................................4-7
No Image ............................................................................................4-10
All Black ..............................................................................................4-12
Vertical White Line (Band) ..................................................................4-13
Dark Image .........................................................................................4-14
Background.........................................................................................4-15
Ghost ..................................................................................................4-16
Black Spot...........................................................................................4-17
Horizontal Band ..................................................................................4-18
Irregular Density .................................................................................4-19
White Spot ..........................................................................................4-20
Trembling at the End When OHP Printing ..........................................4-21
Poor Fusing Grade..............................................................................4-22
4.3.4 MALFUNCTION..............................................................................4-23
No Power (LCD NO display LED Off) .................................................4-26
Fuser Error..........................................................................................4-27
Paper Jam (Mis-Feeding) ...................................................................4-28
Paper Jam (Jam 1) .............................................................................4-29
Engine Error........................................................................................4-30
4.3.5 TONER CARTRIDGE AND DRUM CARTRIDGE SERVICE ..........4-31
Precautions on Safe-keeping of the Drum Cartridge ..........................4-31
Service for the Life of Toner Cartridge ................................................4-31
Symptoms of a defective toner cartridge.............................................4-32
4.3.6 PROBLEMS CAUSED BY SOFTWARE.........................................4-35
The printer is not working (1) ..............................................................4-35
The printer is not working (2) ..............................................................4-36
Abnormal Printing ...............................................................................4-37
Spooling Error.....................................................................................4-38
SERVICE TABLES
5. SERVICE TABLES....................................................................... 5-1
5.1 USER MODE .................................................................................................5-1
5.2 TECH MODE .............................................................................................5-3
5.2.1 HOW TO ENTER SERVICE MODE .................................................5-3
5.2.2 SETTING UP THE SYSTEM IN TECH MODE .................................5-3
5.2.3 SYSTEM DATA ................................................................................5-5
DIALING MODE....................................................................................5-5
MODEM SPEED ...................................................................................5-5
ERROR RATE ......................................................................................5-5
SET TX LEVEL .....................................................................................5-5
SILENCE TIME .....................................................................................5-5
5.2.4 MEMORY CLEAR.............................................................................5-6
CLEAR ALL MEMORY .........................................................................5-6
B174 ii SM