Epson Stylus Pro 9000 Service Manual page 6

EPSON Stylus Pro 9000
Platen Gap Mechanism ................................................................... 46
Paper Feed Mechanism .................................................................. 47
Summary of Control Circuit Operations .................................................. 51
Reset Circuit ........................................................................................... 52
CR/PF Motor Driver Circuit ..................................................................... 52
Head SLID Motor Driver Circuit .............................................................. 53
Pump Motor Driver Circuit ...................................................................... 53
Printhead Driver Circuit .......................................................................... 54
Sensors .................................................................................................. 55
Troubleshooting
Outline ........................................................................................................ 57
Test Points ............................................................................................. 57
Troubleshooting Using the Error Messages ........................................... 57
Errors that require a service technician .................................................. 59
Maintenance Req. 0100 .................................................................. 59
Service Req. 00000100 ................................................................... 59
Service Req. 00000101 ................................................................... 59
Service Req. 00010000 ................................................................... 59
Service Req. 00010001 ................................................................... 59
Service Req. 00010002 ................................................................... 60
Service Req. 00010003 ................................................................... 60
Service Req. 00010004 ................................................................... 60
Service Req. 00010005 ................................................................... 60
Service Req. 00010006 ................................................................... 61
Service Req. 00010007 ................................................................... 61
Service Req. 00010008 ................................................................... 61
Service Req. 00010009 ................................................................... 61
Service Req. 0001000A................................................................... 61
Service Req. 0001000C .................................................................. 61
Service Req. 0001000D
Service Req. 0001000E................................................................... 61
Service Req. 0001000F................................................................... 62
Service Req. 00010010 ................................................................... 62
Service Req. 00020000 (NVRAM error)
Service Req. 00020001 (Internal RAM error)
Service Req. 00020002 (SRAM error)
Service Req. 00020003 (DRAM error) ............................................ 62
Service Req. 10000004 (CPU GNRL ILLEGAL INSTRCTNS)
Service Req. 10000006 (CPU SLOT ILLEGAL INSTRCTNS)
Service Req. 10000009 (CPU CPU ADDRESS ERROR)
Service Req. 1000000A (CPU DMAC/DTC ADDRESS ERROR)
Service Req. 1000000B (CPU WATCHDOG TIME-OUT ERROR)
Service Req. 100000## (CPU VECTOR 32~63)............................. 62
General Errors ........................................................................................ 63
Ink Low ............................................................................................ 63
Paper Out ........................................................................................ 63
Load xxx Paper ............................................................................... 63
Load Paper ...................................................................................... 63
Paper Jam ....................................................................................... 64
Cover Open ..................................................................................... 64
Paper Not Cut.................................................................................. 64
Paper Not Straight ........................................................................... 64
Reload Paper .................................................................................. 65
Push Lever Down ............................................................................ 65
Compartment Open ......................................................................... 65
Ink Out ............................................................................................. 66
No Ink Cartridge .............................................................................. 66
Remove Paper ................................................................................ 66
Option I/F Error................................................................................ 66
Troubleshooting Based on Your Printout ............................................... 67
Dot Missing...................................................................................... 67
Uneven Printing/Poor Resolution .................................................... 68
Smudged or Marred Printout (Front) ............................................... 68
Smudged or Marred Printout (Reverse side)................................... 68
White or Black Banding ................................................................... 68
Disassembly & Assembly
Summary .................................................................................................... 70
Warnings ................................................................................................ 70
Tools ...................................................................................................... 71
Screw List ............................................................................................... 71
Disassembly Flow ..................................................................................... 72
Removing the Housing ........................................................................... 73
Maintenance Cover Removal .......................................................... 73
H Top Cover Removal ..................................................................... 74
Revision B
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