Troubleshooting Guide
Page 100
... by the printer. The fuser is properly installed and turn on the printer. Turn off the printer, wait 15 seconds, then turn on the printer. Troubleshooting Front Panel Messages (cont'd.) Message Engine EPROM Missing U3 Power Off/On Type Fault Engine RAM Error U1 ...with the home position of the front paper feeder. For further assistance, visit the support links at www.xerox.com/officeprinting/1235support. 84 Phaser 1235 Network Color Printers During the printer's self diagnostics there was a problem reading the engine SRAM. For further assistance, visit the support links...
... by the printer. The fuser is properly installed and turn on the printer. Turn off the printer, wait 15 seconds, then turn on the printer. Troubleshooting Front Panel Messages (cont'd.) Message Engine EPROM Missing U3 Power Off/On Type Fault Engine RAM Error U1 ...with the home position of the front paper feeder. For further assistance, visit the support links at www.xerox.com/officeprinting/1235support. 84 Phaser 1235 Network Color Printers During the printer's self diagnostics there was a problem reading the engine SRAM. For further assistance, visit the support links...
Troubleshooting Guide
Page 110
.... If the problem persists, check the support links at www.xerox.com/officeprinting/1235support. 94 Phaser 1235 Network Color Printers During the printer's self diagnostics there was a problem reading the engine ROM. Troubleshooting Printer Management Status Messages (cont'd.) Message U0-Engine ROM Error Type Fault U1-Engine RAM Error Fault U2-Engine EPROM Error Fault U3-Engine EPROM...
.... If the problem persists, check the support links at www.xerox.com/officeprinting/1235support. 94 Phaser 1235 Network Color Printers During the printer's self diagnostics there was a problem reading the engine ROM. Troubleshooting Printer Management Status Messages (cont'd.) Message U0-Engine ROM Error Type Fault U1-Engine RAM Error Fault U2-Engine EPROM Error Fault U3-Engine EPROM...
Service Guide
Page 4
Contents General Information 1 The Phaser 1235 Color Printer 2 Printer RAM and printer capabilities 4 CRU life counter behavior 4 Print engine assemblies 5 The image processor board 11 The control panel 12 On Line LED 12 ! Fault 12 Rear panel ... Codes and Messages 21 Error messages 21 Troubleshooting 31 Power on self-diagnostic test 32 Print engine troubleshooting 33 Testing the print engine 33 Verifying printer operation by using its self-test print 34 Verifying power supply operation 34 Measuring power supply voltages 34 Inspecting the low-voltage power supply fuse...
Contents General Information 1 The Phaser 1235 Color Printer 2 Printer RAM and printer capabilities 4 CRU life counter behavior 4 Print engine assemblies 5 The image processor board 11 The control panel 12 On Line LED 12 ! Fault 12 Rear panel ... Codes and Messages 21 Error messages 21 Troubleshooting 31 Power on self-diagnostic test 32 Print engine troubleshooting 33 Testing the print engine 33 Verifying printer operation by using its self-test print 34 Verifying power supply operation 34 Measuring power supply voltages 34 Inspecting the low-voltage power supply fuse...
Service Guide
Page 15
...RAM which specialty media, cardstock and envelopes can be supplemented with Token Ring networks. maximum usable capacity is always 5 ppm. The auto-duplexer unit (optional on paper. Optional lower tray feeders, up to automatically create two-sided prints. The Ethernet port supports EtherTalk 10/100baseT, Novell and TCP/IP. The Phaser 1235 Color Printer The Phaser 1235 Color Printer... combines a 4-color LED-based, tandem-design print engine with an EFI image processing...
...RAM which specialty media, cardstock and envelopes can be supplemented with Token Ring networks. maximum usable capacity is always 5 ppm. The auto-duplexer unit (optional on paper. Optional lower tray feeders, up to automatically create two-sided prints. The Ethernet port supports EtherTalk 10/100baseT, Novell and TCP/IP. The Phaser 1235 Color Printer The Phaser 1235 Color Printer... combines a 4-color LED-based, tandem-design print engine with an EFI image processing...
Service Guide
Page 17
... Kbytes of non-volatile memory (NVRAM), to Continue." After the enter key is pressed the boot process continues and the defective RAM DIMM is reached for any input port. 4 Phaser 1235 Network Color Printer Any slot may be ignored. The toner states displayed are accepted from booting up self-test diagnostics detect a DIMM with smaller...
... Kbytes of non-volatile memory (NVRAM), to Continue." After the enter key is pressed the boot process continues and the defective RAM DIMM is reached for any input port. 4 Phaser 1235 Network Color Printer Any slot may be ignored. The toner states displayed are accepted from booting up self-test diagnostics detect a DIMM with smaller...
Service Guide
Page 40
...Error U0 Power Off/On U0-Engine ROM Error U1 Engine RAM Error U1 Power Off/On U1-Engine RAM Error U2 Engine EPROM Error U2 Power Off/On U2-Engine ...the engine controller board. Replace the low-voltage power supply. 5. Inspect the main cooling fan. Turn the printer off and then on 2. Replace the fan. 4. Replace the engine controller board. Service Guide 27 Test the... Home Error U7 Power Off/On U7-Feeder Home Error 1. Inspect the fan's wiring harness. 3. Printer fault messages Code Front panel message Service message T1 Fuser Upper Error T1 Power Off/On T1-Fuser ...
...Error U0 Power Off/On U0-Engine ROM Error U1 Engine RAM Error U1 Power Off/On U1-Engine RAM Error U2 Engine EPROM Error U2 Power Off/On U2-Engine ...the engine controller board. Replace the low-voltage power supply. 5. Inspect the main cooling fan. Turn the printer off and then on 2. Replace the fan. 4. Replace the engine controller board. Service Guide 27 Test the... Home Error U7 Power Off/On U7-Feeder Home Error 1. Inspect the fan's wiring harness. 3. Printer fault messages Code Front panel message Service message T1 Fuser Upper Error T1 Power Off/On T1-Fuser ...
Service Guide
Page 45
... test Initial test. Checks the content of each other with the printer, the printer prints a startup page 32 Phaser 1235 Network Color Printer If the startup page feature has not been disabled and no error occurred with the color registration sensor assembly. Checks ID numbers stored in the transferred data ...installed before entering the operation mode. s A sensor check is made to heat up the heated rollers. RAM check. Checks RAM by writing a preset data pattern in RAM, reading the contents of Flash ROM, and comparing the data read from Flash ROM by the number of ...
... test Initial test. Checks the content of each other with the printer, the printer prints a startup page 32 Phaser 1235 Network Color Printer If the startup page feature has not been disabled and no error occurred with the color registration sensor assembly. Checks ID numbers stored in the transferred data ...installed before entering the operation mode. s A sensor check is made to heat up the heated rollers. RAM check. Checks RAM by writing a preset data pattern in RAM, reading the contents of Flash ROM, and comparing the data read from Flash ROM by the number of ...
Service Guide
Page 59
...message 1. Replace the toner cartridge. 3. Ensure that the system controller board has not successfully loaded its EEPROM contents (instructions) into RAM. The health indicator LED (heart beat) usually indicates such an error state by being on the print engine (under the fuser unit... installed" message 1. Replace the engine controller board. 5. Replace the fuser unit. 4. Replace the low-voltage power supply. 46 Phaser 1235 Network Color Printer The most likely cause is correctly installed. 2. Test the toner cartridge sensor board using the service test "Switch scan test" on...
...message 1. Replace the toner cartridge. 3. Ensure that the system controller board has not successfully loaded its EEPROM contents (instructions) into RAM. The health indicator LED (heart beat) usually indicates such an error state by being on the print engine (under the fuser unit... installed" message 1. Replace the engine controller board. 5. Replace the fuser unit. 4. Replace the low-voltage power supply. 46 Phaser 1235 Network Color Printer The most likely cause is correctly installed. 2. Test the toner cartridge sensor board using the service test "Switch scan test" on...
Service Guide
Page 75
... is displayed. 62 Phaser 1235 Network Color Printer The adjusted values for mechanical controls are the items of toner consumed. These are all cleared to print The selected table determines which items will be initialized. scroll using Item(2) or Item(6) Value(3] or Value(7) Description SWITCH SCAN MOTOR & CLUTCH TEST TEST PRINT NV-RAM INITIAL (consumables...
... is displayed. 62 Phaser 1235 Network Color Printer The adjusted values for mechanical controls are the items of toner consumed. These are all cleared to print The selected table determines which items will be initialized. scroll using Item(2) or Item(6) Value(3] or Value(7) Description SWITCH SCAN MOTOR & CLUTCH TEST TEST PRINT NV-RAM INITIAL (consumables...
Service Guide
Page 86
... Value (3) for 10 seconds to select either Table 1 or Table 2. The front panel display NV-RAM INITIAL blinks eight times. 5. Initializes the print count after the replacement of test until NV-RAM INITIAL appears on the printer. 2. Initializes the toner use count after the replacement of the selected table. The tables determine which...
... Value (3) for 10 seconds to select either Table 1 or Table 2. The front panel display NV-RAM INITIAL blinks eight times. 5. Initializes the print count after the replacement of test until NV-RAM INITIAL appears on the printer. 2. Initializes the toner use count after the replacement of the selected table. The tables determine which...
Service Guide
Page 215
... 14 098S04423 Token Ring Card 15 537E61970 Print Engine Controller EEPROM 16 156-4811-00 64-Mbyte RAM DIMM 156-4780-10 128-Mbyte RAM DIMM 156-4839-00 256-Mbyte RAM DIMM S - - - - - Shield Plate 9 - - - - - Table 8 ...Electrical components FRUs Fig 8 Part parts number Name and description 1 105K25110 Low Voltage Power Supply (115V) 105K25130 Low Voltage Power Supply (230V) 2 105K25120 High Voltage Power Supply 3 - - - - - Screw (part of Hardware Kit, p.n. 600K89010) 202 Phaser 1235 Network Color Printer...
... 14 098S04423 Token Ring Card 15 537E61970 Print Engine Controller EEPROM 16 156-4811-00 64-Mbyte RAM DIMM 156-4780-10 128-Mbyte RAM DIMM 156-4839-00 256-Mbyte RAM DIMM S - - - - - Shield Plate 9 - - - - - Table 8 ...Electrical components FRUs Fig 8 Part parts number Name and description 1 105K25110 Low Voltage Power Supply (115V) 105K25130 Low Voltage Power Supply (230V) 2 105K25120 High Voltage Power Supply 3 - - - - - Screw (part of Hardware Kit, p.n. 600K89010) 202 Phaser 1235 Network Color Printer...