HP LaserJet 4 Service Manual - Page 437

Index ! 12 PRINTER OPEN 7-18 13 PAPER JAM 7-20 14 NO EP CART 7-25 16 TONER LOW 4-10, 7-25 21 PRINT OVERRUN 3-53 41.1 ERROR 7-28 41.2 ERROR 7-28, 7-31 41.3 ERROR 7-28 41.4 ERROR 7-28 41.5 ERROR 7-28 50 service error 7-29 51 ERROR Message 7-31 52 ERROR 7-32 57 SERVICE 7-33 58 SERVICE fan failure 7-34 A Accessory Parts 8-33 adjustment leading edge registration 1-35 advanced functions 3-33 ASAP (Automated Support Access Program) 1-12 ASCII PJL Escape Sequence 3-19 assemblies removal 6-15 Assist Line (HP CSC) 1-13 assistance, technical 1-12 AUDIO TIPS, HP 1-13 autoexec.bat 3-31, 7-53 B background scatter 7-35, 7-47 basic sequence of operation 5-33 baud rate 3-33 beam detect signal weak (41.2) 7-27 big data B-28 black pages 7-35 with horizontal stripes 7-35 blank display 7-12 button, test print 3-29 C cable pinouts 3-35 CDRH laser safety 1-8 changing the display language 3-28 check MP tray empty sensor 7-17 sw601 7-19 checkpoints, service 4-3 CIC (Customer Information Centers) 1-13 cleaning brush uses 4-16 cleaning station, drum 5-18 clearable warnings 7-10 CLEARING MEMORY 7-A CLOSE PRINTER COVER 7-A cold reset 3-23, B-27 communications checks 7-52, 7-54 component locations 7-59 CompuServe Forum, HP 1-13 conditioning station, drum 5-19 configuration AUTOEXEC.BAT 7-53 communications check 7-52 system 3-31 test message 7-52 configuration menu B-19 contact plate, high voltage 6-62 contactor removal 6-62 CONTINUOUS TEST 7-A control panel 3-2, 3-6, B-10 flashing indicators 3-2 overlay 3-28 removal 6-23 security 3-18 control panel keys B-11 covers removal 6-4 Customer Support Center Europe (ECSC) 1-14 U.S. (CSC) 1-13 customization variable 3-22 D data flow, serial 5-4 DATA RECEIVED 7-A datecode 3-26 DB-25 3-37 cable pinouts 3-37 DB-9 3-35 cable pinouts 3-35 DC Controller 5-2 installation 6-35 loads 5-3 removal 6-33 system 5-1 DC power supply 5-2 Index-1