HP DESIGNJET T790 ePrinter series Service Manual

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Summary of Contents:

[Page 1] HP DESIGNJET T790 ePrinter series

DESIGNJET T790/T1300 ePrinter series & T2300 eMFP series Service manual ...

[Page 2] HP DESIGNJET T790 ePrinter series

Product Support HP Part Number Part Description Cross-reference Products Applicable 1 Q5669-60718 Leg Cover (CSR A) (Left & Right) All 2 Q5669-60716 Leg Assembly (Left & Right) All 3 CN727-60056 Stand Foot w/ extension w/ screw (x2) T23...

[Page 3] HP DESIGNJET T790 ePrinter series

Center Covers Front (1 of 3) HP Part Number Part Description Cross-reference Products Applicable - CH538–67071 Scanner Position sensor Scanner Position Sensor (MFP only) on page 413 T2300 1 Q6687–60064 Front Cover Front Cover on page 275 T2300 ...

[Page 4] HP DESIGNJET T790 ePrinter series

Center Covers Front (2 of 3) HP Part Number Part Description Cross-reference Products Applicable 1 CN727–60068 Scanner Piston Gas Assy Scanner Piston Gas (MFP only) on page 263 T2300 2 CN727–69004 Torsion Damper Torsion Damper (MFP only) on pag...

[Page 5] HP DESIGNJET T790 ePrinter series

Center Covers Front (3 of 3) HP Part Number Part Description Cross-reference Products Applicable 1 CR649–67001 T790 Window 44 SV Window on page 431 T790-44”-1R, CR647–67002 T790 Window 24 SV T790-24” CR651–67002 T1300 Window 44 SV T1300-4...

[Page 6] HP DESIGNJET T790 ePrinter series

Roll Covers HP Part Number Part Description Cross-reference Products Applicable 1 CH538-67003 Upper Roll Cover Assembly with pinches Roll Cover, Upper on page 381 T790-44”-1R, T1300, T2300 CQ305–60018 Upper Roll Cover Assembly Basic SV T790-2...

[Page 7] HP DESIGNJET T790 ePrinter series

Center Covers (Rear) HP Part Number Part Description Cross-reference Products Applicable 1 CN7227–60091 Back Cover Assembly Carbonite Rear Cover (MFP only) on page 363 T1300-44”-2R, T2300 CQ305-60015 Rear Cover T790–24” CH538-67012 Back C...

[Page 8] HP DESIGNJET T790 ePrinter series

Right Cover HP Part Number Part Description Cross-reference Products Applicable 1 CN727–60083 Right Cover (Without Right Ink Door Cover) Right Cover on page 368 T1300, T2300 CH539-67006 Right Cover T790-24” CH538-67014 T1200 Right Cover T79...

[Page 9] HP DESIGNJET T790 ePrinter series

Left Cover HP Part Number Part Description Cross-reference Products Applicable 1 CH538-67017 Left Ink Cartridge Door Left Ink Cartridge Door on page 296 T1300-44”-2R, T2300 CH539-67008 Left Ink Cartridge Door T790-24”, T790-44” 2 CN727-6005...

[Page 10] HP DESIGNJET T790 ePrinter series

Right Hand Assemblies HP Part Number Part Description Cross-reference Products Applicable 1 Q6675-60043 Carriage Rail Oiler Carriage Rail Oiler on page 251 All 2 Q5669-67807 Pen to Paper Space (PPS) Solenoid Pen to Paper Space (PPS) Solenoid on pag...

[Page 11] HP DESIGNJET T790 ePrinter series

Left Hand Assemblies HP Part Number Part Description Cross-reference Products Applicable 1 Q6683-60188 Left Ink Supply Station Left Ink Supply Station on page 299 All 2 Q6718-67017 Starwheel Motor Starwheel Motor on page 409 All 3 CK837-67020 Encod...

[Page 12] HP DESIGNJET T790 ePrinter series

Carriage Assembly HP Part Number Part Description Cross-reference Products Applicable 1 CH538-67044 Carriage with Cutter Assembly Carriage and Cutter Assembly on page 237 All 2 CH538-67019 Cutter Assembly with Screw CSR A) Cutter assembly on page 4...

[Page 13] HP DESIGNJET T790 ePrinter series

Scan-Axis Assemblies HP Part Number Part Description Cross-reference Products Applicable 1 CK839-67005 Encoder Strip (including Encoder Strip Spring and Nut) Encoder Strip, spring and attachment nut on page 288 T790-44”-1R, T1300-44”-2R, T2300 ...

[Page 14] HP DESIGNJET T790 ePrinter series

Paper Path Assemblies (Front) HP Part Number Part Description Cross-reference Products Applicable 1 Q6687-60060 Starwheel Assembly Starwheel Assembly on page 404 T790-44”-1R, T1300-44”-2R, T2300 Q6683-60196 Starwheel Assembly Starwheel Assembly...

[Page 15] HP DESIGNJET T790 ePrinter series

Paper Path Assemblies (Rear) HP Part Number Part Description Cross-reference Products Applicable 1 Q6687-60085 Pinchwheel Assembly on page 349 All 2 Q6677-60019 Left Roll Guide Left Roll Guide on page 382 T790-44”-1R, T1300-44”-2R, T2300 3 Q668...

[Page 16] HP DESIGNJET T790 ePrinter series

Roll Supports HP Part Number Part Description Cross-reference Products Applicable 1 CR651–67007 Upper Right Roll Cover Support Carbonite Roll Support, Upper Right on page 391 T1300-44”-2R, T2300 CR647–67006 Upper Right Support T790-24”, T79...

[Page 17] HP DESIGNJET T790 ePrinter series

Scanner Parts (1 of 3) HP Part Number Part Description Cross-reference Products Applicable 1 CN727-69005 Glass Plate Glass Plate on page 466 T2300 2 CN727-69010 Individual CIS Element CIS Element (MFP only) on page 420 T2300 3 CN727–69003 Media S...

[Page 18] HP DESIGNJET T790 ePrinter series

Scanner Parts (2 of 3) HP Part Number Part Description Cross-reference Products Applicable 1 CN727–69009 Scanner Controller Board (SCU) Scanner Controller Board (MFP only) on page 423 T2300 2 CN727-69001 Stepper Motor w. Encoder Sensor and belt S...

[Page 19] HP DESIGNJET T790 ePrinter series

Scanner Parts (3 of 3) HP Part Number Part Description Cross-reference Products Applicable 1 CN727-67026 Latch Assy and Hook SV Scanner Latch and Hook Assembly (MFP only) on page 323 T2300 ENWW Scanner Parts (3 of 3) 191 ...

[Page 20] HP DESIGNJET T790 ePrinter series

Tools 1 HP Part Number Part Description Products Applicable 1 Q6675-67018 Media Driver Tool Kit (includes the Handle for Media Driver Tool Support and the Media Driver Adjustment Tool) All 2 Q5669-60690 Flex Contacts Cleaning Tool (CSR A) All 3-4 Q...

[Page 21] HP DESIGNJET T790 ePrinter series

Tools 2 HP Part Number Part Description Products Applicable 5 Q6675-67017 Spanner Tool All 6 Q6683-67001 Tool Kit (includes pinchwheel alignment tool, paper driver tool, spanner # 13, oil dispenser, insert spring tool, tweezers, T15 screwdriver, 10...

[Page 22] HP DESIGNJET T790 ePrinter series

Miscellaneous Parts HP Part Number Part Description Products Applicable CH538-67006 Engine Cables Kit Cables included ● CH538-50012: TT Touch Control Panel Cable ● CH538-60049: TT Top Rewinder Encoder Cable ● 9170–2158 Ferrite Trailing Cable ...

[Page 23] HP DESIGNJET T790 ePrinter series

HP Part Number Part Description Products Applicable ● CH538-50001: TT Mechatronic Data Harness (A) ● CH538-50002: TT Mechatronic Power Harness (B) ● CH538-50003: TT Engine Harness (C) ● Q6675-50002: ISS Cable Harness Left with ferrite (D) ...

[Page 24] HP DESIGNJET T790 ePrinter series

HP Part Number Part Description Products Applicable CH538-67024 Preventive Maintenance Kit #1 Included ● 9223-1023: AP KFT-PPR .004-IN-THK 27-IN ● CH538-60141 Scan Axis Motor Poly-V SV T790-44”-1R, T1300-44”-2R, T2300 CH538-67040 Preventive M...

[Page 25] HP DESIGNJET T790 ePrinter series

HP Part Number Part Description Products Applicable CQ305-60014 Engine Cables 1-Roll 24-in Kit: The following Cables are included: ● CH538-50003: TT Engine ● CH538-60049: TT Top Rewinder Encoder ● CQ305-50001: TT 24 FRONT PANEL ● TT 24 MECHAT...

[Page 26] HP DESIGNJET T790 ePrinter series

HP Part Number Part Description Products Applicable CR652-67001 Support Label T1300 PS Nameplate T1300-44”-2R, T1300-44”-2R, T2300 CQ305-60017 Preventive Maintenance Kit 1 ● CH538-67044: Carriage with Cutter Assembly SV ● CH538-60141: Scan Ax...