Service Manual
Page 7
... 3-55 Installing the SIMM Boards 3-55 Testing a SIMM Board 3-57 Memory SIMM 3-57 Running a Self Test Printout 3-57 Personality SIMM (PostScript 3-58 Troubleshooting a SIMM Board 3-59 Service / Error Messages 3-59 4 Preventive Maintenance Introduction 4-1 Life Expectancy of Consumables 4-2 Service Checkpoints 4-3 Cleaning Your Printer 4-4 Toner Cartridge 4-5 Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only 4-6 Storing the Toner Cartridge 4-6 Installing the...
... 3-55 Installing the SIMM Boards 3-55 Testing a SIMM Board 3-57 Memory SIMM 3-57 Running a Self Test Printout 3-57 Personality SIMM (PostScript 3-58 Troubleshooting a SIMM Board 3-59 Service / Error Messages 3-59 4 Preventive Maintenance Introduction 4-1 Life Expectancy of Consumables 4-2 Service Checkpoints 4-3 Cleaning Your Printer 4-4 Toner Cartridge 4-5 Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only 4-6 Storing the Toner Cartridge 4-6 Installing the...
Service Manual
Page 10
... 7-32 Laser/Scanner Assembly Functional Checks . . . . . 7-32 57 (or 57.1) SERVICE Message (Main Motor Failure 7-33 Main Motor Functional Checks 7-33 58 (or 57.2) SERVICE (Fan Failure 7-34 Image Defect Summary 7-35 PS5 Check (MP Tray Paper... Assembly 6-68 Interconnect PCA Removal 6-69 7 Troubleshooting LaserJet 5 Error Map 7-A Pre-Troubleshooting Procedures 7-1 Preliminary Operating Checks 7-1 Printer Message Troubleshooting 7-2 Printer Message Summary Table 7-2 Clearable Warnings 7-10 Printer Message Troubleshooting Procedures 7-12 Blank Display 7-12 MP/PC...
... 7-32 Laser/Scanner Assembly Functional Checks . . . . . 7-32 57 (or 57.1) SERVICE Message (Main Motor Failure 7-33 Main Motor Functional Checks 7-33 58 (or 57.2) SERVICE (Fan Failure 7-34 Image Defect Summary 7-35 PS5 Check (MP Tray Paper... Assembly 6-68 Interconnect PCA Removal 6-69 7 Troubleshooting LaserJet 5 Error Map 7-A Pre-Troubleshooting Procedures 7-1 Preliminary Operating Checks 7-1 Printer Message Troubleshooting 7-2 Printer Message Summary Table 7-2 Clearable Warnings 7-10 Printer Message Troubleshooting Procedures 7-12 Blank Display 7-12 MP/PC...
Service Manual
Page 237
... encountered the error. 0: Internal Memory 1-4: SIMM Slot 5: Cartridge 63 SERVICE 63 NEEDS SERVICE If the printer contains a SIMM memory board, turn ON the printer. if the error still appears, the problem is in its memory. Table 7-1 Printer Messages (continued) Message 55 ERROR 55 PRINTER ERROR 57 SERVICE 57 MOTOR FAILURE 57.1 SERVICE Symptoms and Recommendations Indicates a communications problem between the DC...
... encountered the error. 0: Internal Memory 1-4: SIMM Slot 5: Cartridge 63 SERVICE 63 NEEDS SERVICE If the printer contains a SIMM memory board, turn ON the printer. if the error still appears, the problem is in its memory. Table 7-1 Printer Messages (continued) Message 55 ERROR 55 PRINTER ERROR 57 SERVICE 57 MOTOR FAILURE 57.1 SERVICE Symptoms and Recommendations Indicates a communications problem between the DC...
Service Manual
Page 263
... PCA detected a general motor failure. 57 (or 57.1) SERVICE Message (Main Motor Failure) The 57 SERVICE indicates that the +24B Voltage is present, and the motor does not rotate, replace the Main Motor Assembly (see Figure 7-11 for wear and binding. • Reseat J211 (or J214 on the HP LaserJet 4 Plus/4M Plus) on the DC Controller PCA, and...
... PCA detected a general motor failure. 57 (or 57.1) SERVICE Message (Main Motor Failure) The 57 SERVICE indicates that the +24B Voltage is present, and the motor does not rotate, replace the Main Motor Assembly (see Figure 7-11 for wear and binding. • Reseat J211 (or J214 on the HP LaserJet 4 Plus/4M Plus) on the DC Controller PCA, and...
Service Manual
Page 264
...57.2) SERVICE (Fan Failure) The 58 SERVICE indicates that the Cooling Fan connector is mounted correctly in its shroud. 2 Check that the fan blades are satisfactory, replace the fan. If the above checks are not blocked. 3 Check that the DC Controller detected a failure in the Exhaust Fan (FM1) in the printer... or the optional duplexer. Air should blow out of air flow. Note Verify the direction of the printer. 7-34 Troubleshooting When troubleshooting this problem, perform the following steps in the order...
...57.2) SERVICE (Fan Failure) The 58 SERVICE indicates that the Cooling Fan connector is mounted correctly in its shroud. 2 Check that the fan blades are satisfactory, replace the fan. If the above checks are not blocked. 3 Check that the DC Controller detected a failure in the Exhaust Fan (FM1) in the printer... or the optional duplexer. Air should blow out of air flow. Note Verify the direction of the printer. 7-34 Troubleshooting When troubleshooting this problem, perform the following steps in the order...
Service Manual
Page 437
...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... 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...
...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... 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...